Illinois Natural Areas Inventory (INAI) sites by County · Illinois Natural Areas Inventory (INAI) sites by County June 2018 INAI Category Descriptions: Cat. I = High quality natural

Illinois Natural Areas Inventory (INAI) sites

October 2019

INAI Category Descriptions:

Cat. I = High quality natural community and natural community restorations

Cat. II = Specific suitable habitat for state-listed species or state-listed species relocations

Cat. III = State dedicated Nature Preserves, Land and Water Reserves, & Natural Heritage Landmarks

Cat. IV = Outstanding geological features

Cat. V = Not used at this time

Cat. VI = Unusual concentrations of flora or fauna and high quality streams

Cat. VII = Not used at this time

INAI Name INAI Number Categories Acreage

Adams

Allendale Spring 1967 III 22.54

Burton Cave 0385 II, III 83.27

Burton Creek Natural Area 0147 I, II 185.02

Byler Cemetery Savanna 0371 I, III 1.08

Columbus Cemetery Site 1604 II 0.89

Fall Creek Gorge 0148 I, III 52.56

Fishhook Creek Area 1282 II 2,272.80

Long Island 0146 I, II 4,677.47

McKee Creek Barrens and Sedge Seep 0173 I, II, III 375.18

Mill Creek Geological Area - A 0444 IV 1.78

Paloma Railroad Prairie 1644 I 9.48

Quincy Bed 1862 II, VI 5.70

Quincy Geological Area 0401 IV 1.59

Rice School Geological Area 0507 IV 15.58

Zion Church Geological Area 0508 IV 2.30

15Total # of Sites in County

7,707Total acreage of Sites in County

Alexander

Big Brushy Ridge 1145 I, II 168.98

Black Powder Hollow Geological Area 0511 IV 3.93

Brown's Bar 1146 II 701.62

Bumgard Island 1147 II 1,856.85

Burnham Island 1148 II 1,153.07

Clear Creek Swamp 0309 II 95.13

Dongola Hollow Geological Area 0403 IV 5.73

Gale Geological Area 0404 IV 1.06

Gale North Geological Area 0408 IV 0.74

Horseshoe Forest 0374 I, III 580.41

Horseshoe Lake 0375 I, II, III 353.25

Horseshoe Lake Botanical Area 0386 II 0.16

Horseshoe Lake South 0376 II 1.30

Horseshoe Lake State Conservation Area 1155 II, III 73.98

Lake Creek 1153 II 60.21

Magazine Mine Hollow 1421 II, VI 2,549.37

Miller Creek 1422 II, VI 41.97

Miller Hills 1785 II, VI 1,205.68

Opossum Trot Trail 0310 I, II 48.95

Ozark Hill Prairies 0509 I, II 469.62

Provo Cemetery Barrens 1144 I 87.79

South Tamms Marsh 1601 II 11.95

1


Thebes Area 1151 II, IV 884.92

Unity Area 1152 II 31.08

Wolf Creek Area 0510 II 646.65



Bond

East Fork Shoal Creek - Greenville Reach 1673 VI 0.64

East Fork Shoal Creek Pocahontas Reach 1913 VI 18.69

Mulberry Grove Geological Area 0547 IV 6.48

Mulberry Grove Railroad Prairie 1299 II 11.21

Shoal Creek - Pocahontas Reach 1672 VI 2.16

Shoal Creek - Ripson Bridge Reach 1674 VI 2.23

Sorento Geological Area 0429 IV 10.54


52Total acreage of Sites in County

Boone

Flora Prairie 0348 III 9.67

Kinnikinnick Creek 0379 II, III 125.92

Kishwaukee River 0720 II, VI 669.33

Piscasaw Creek 1508 VI 88.58



Brown

Benville Area 1218 II 20.87

Brown019 1809 I 44.46

Island Road Bed 1661 VI 1.82

Little Creek Bed 1662 VI 4.20

Little Missouri Creek Dells 1219 II 62.64

Lower LaMoine Confluence Floodplain Forest 1869 I 155.13

McKee Creek Barrens and Sedge Seep 0173 I, II, III 375.18

McKee Creek Versailles Reach 1919 VI 38.65

Moores Island Bed 1790 VI 3.45

Snyder Hill Prairie 0349 I 3.24

Spencer Farm Geological Area 0513 IV 5.18

Spunky Bottoms 1777 II 783.06

Wilson Daymark Bed 1663 VI 1.30



Bureau

Big Bureau Creek 1467 VI 49.33

Bureau076 1843 I 34.72

Daisy Hill Prairie 1824 I 0.58

Fairfield Ditch 1423 II 132.08

Gold Prairie 1725 II 13.49

2


Goose Lake Botanical Area 1676 II 2.45

Hennepin Canal - Wyanet Prairie 1642 I 8.23

Hennepin Illinois River Floodplain 1546 II 70.23

Hetzler Cemetery Prairie 0351 I, III 1.96

McCune Sand Prairie 0350 II, III 271.43

Miller - Anderson Woods 0382 I, II, III 488.31

Myers Forest and Game Preserve 0050 I, III 19.85

Spring Lake - Bureau 1688 II, VI 202.21

Spring Valley Geological Area 0409 IV 5.24

Wyanet Geological Area 0514 IV 45.66



Calhoun

Batchtown Mussel Bed 1592 II, VI 518.80

Calhoun002 1819 I 197.04

Calhoun013 1867 I 40.85

Calhoun033 1868 I 9.98

Cap Au Gris 0406 I, II 105.56

Carroll Island Bed 1695 VI 5.82

Clarksville Dam Bed 1593 VI 5.68

Clarksville Island 1226 II 785.32

Coon Island Bed 1696 II, VI 3.42

Golden Eagle Geological Area 0446 IV 0.97

Hamburg Southeast Geological Area 0383 IV 6.27

Jennings Hill Prairie 1227 I, III 27.56

Kamp's Glade 0313 I 231.37

Kelly Island Bed 1697 VI 17.51

Lead Hollow Glade 0316 I, II, III 29.10

Maple Island Bed 1698 VI 14.90

McNabb Hollow 0318 I 20.21

Mississippi River - Cap Au Gris 1424 II 1,500.19

Monterey School Geological Area 0946 IV 18.53

Mortland Glade 0314 I 103.52

Mozier Landing Bed 1594 II, VI 17.12

Osterman Hill Prairies 1468 I 13.25

Riprap Landing Woods 0317 I 180.67

Sny Island Bed 1699 VI 31.53

Swarnes Hill Prairie 0298 I, II, III 43.31

Two Branch Hollow Hill Prairie 0297 I, III 11.44

West Point Landing Geological Area 0430 IV 38.58

Wildcat Hollow North Geological Area 0515 IV 11.34



Carroll

Argo Fay Site 1290 II 0.22

Ayers Sand Prairie 0402 I, II, III 120.22

Brookville Lutheran Cemetery Prairie 0414 I, III 1.84

Carroll003 1848 I 0.73

Carroll040 1849 I 51.40

French Bluff 1680 II 27.18

Goose Point Botanical Area 1288 II 1.80

Mississippi Palisades Bluff 0410 I, II, III 479.69

3


Mississippi Palisades Geological Area 0384 IV 2.71

Mt. Carroll North Geological Area 0518 IV 3.38

Savanna Army Depot 0965 I, II 14,400.14

Savanna South Railroad Prairie 0416 II, III 44.89

Spring Lake - Carroll 1289 II 5,597.21

Thomson - Fulton Sand Prairie 1023 I, II, III 313.86

Wacker Geological Area 0517 IV 12.08

Waukarusa Canyon 0411 I, II, III, VI 168.44



Cass

Beardstown Marsh 1332 II, III 475.52

Beardstown Railroad Prairie 1331 II, III 18.22

Bluff Springs Hill Prairie 1333 II, III 4.60

Bluff Springs Sand Pond 1087 II, III 64.03

Bulrush Sand Pond 1425 II 3.52

Chandlerville - Snyder Hill Prairie 1535 I, II, III 102.70

Charles *Chinee* Colvin Sand Prairie 1740 III 39.84

Cottonwood Geological Area 0519 IV 16.05

Cox Creek Hill Prairie 1334 I, II, III 652.43

Excel Sand Prairie 1795 III 6.31

Frederick Landing Bed 1686 VI 25.54

Hagener Sand Pond 1426 II 1.68

Illinois River Sand Areas 1744 III 39.56

Meredosia Refuge 1352 II 5,714.66

Panther Creek Hill Prairie 0111 I, II, III 55.72

Shick Shack Sand Pond 0112 I, II, III 59.04



Champaign

Barnhart Prairie 1720 II, III 160.39

Big Ditch Fisher Reach 1878 II, VI 10.14

Brownfield Woods 0052 I 63.20

Champaign County Railroad Prairie 1816 I 2.32

Edgewood Farm 1742 III 147.50

Edna Edwards Burnett 1872 III 18.02

Embarras River - Nanney Research Reach 1808 VI 34.77

Little Vermilion River 1140 II, III, VI 1,227.00

Mahomet Botanical Area 1428 II, III 27.77

Mahomet Site 1117 II 3.52

Middle Fork of the Vermilion River 0494 II, III, IV, VI 457.88

Nettie Hart Woodland Memorial 0352 I 39.22

Salt Fork Vermilion River Segment 1427 II, III, VI 609.34

Sangamon River 1449 II, III, VI 822.39

Spoon River 1429 VI 29.35

Tomlinson Pioneer Cemetery Prairie 1533 III 0.97

Trelease Woods 0051 I 58.89



4


Christian

Anderson Prairie 1736 III 12.88

Berry's Woods 0013 I 20.92



Clark

American Beech Woods 0047 I, II, III 1,601.96

Marshall North Geological Area 0447 IV 15.16

Miller Tract 1417 I 51.90

Riedle's Bluffs 1586 III, VI 63.75

Rocky Branch 0353 I, II, III 191.78

Wabash River - Mount Carmel 1324 II, III, VI 3,955.92

West Fork Relict Site 1081 VI 2.53



Clay

Clay County Prairie Habitat 1314 II 3,702.51

Clay022 1957 I 127.48

Clay025 1958 I 42.16

Dismal Creek Savanna 1532 I, II 50.49

Flag Pond 0037 I, III 198.07

Hanging Rock 0679 I, II, III 116.84

Little Wabash Hord Reach 1887 II, VI 34.23

Little Wabash River 1156 II, VI 1,971.14

Padgett Brothers Sweet Gum Woods 1754 III 63.06



Clinton

Eversgerd Flatwoods 0320 I 37.89

Kaskaskia River - Carlyle 1514 III, VI 524.19

Lost Creek Prairie 0418 I, III 310.49

Pelican Pouch Woods 1630 I 104.49

Shoal Creek - Goodings Ford Segment 1675 II, VI 0.58

Shoal Creek Bartelso Reach 1923 VI 35.95

Shoal Creek Breese Reach 1924 VI 36.73

Sugar Creek New Baden Reach 1945 VI 21.90

West End Sportsman's Club Woods 0865 I, III 280.81



Coles

Ambraw Woods 1873 III 75.38

Center School Geological Area 0448 IV 5.10

Coles002 1802 I 2.52

Embarras River 0950 II, III, VI 1,260.18

5


Embarras River - Camargo 1120 II, III, VI 595.40

Embarras River Land and Water Reserve 1743 III 976.40

Five-Mile Hill Prairie 0008 I 3.17

Hillside Marsh 0354 I, III 77.94

Humboldt Railroad Prairie 0389 I 0.87

Hutton Geological Area 0449 IV 0.75

Kaskaskia River - Cooks Mills Segment 1649 II, VI 159.36

Little Embarras River Ashmore Segment 1886 II, VI 59.43

Riley Creek 1430 VI 37.55

Sargent's Woods 0007 I, III 107.79

Stevens Hill Prairie 0010 I 12.47

Warbler Woods 1585 I, II, III 737.75

Water Works Hill Prairie 0005 I, III 198.72



Cook

130th Street Marsh 1354 II 30.79

Baker's Lake 1386 II, III 222.73

Barrington Hills Botanical Area 0633 II 2.35

Black Partridge Woods 0255 I, II, III 76.83

Bluff Spring Fen 0537 I, II, III 108.20

Bridgeview Prairie 1712 I 9.08

Brookfield Prairie 1375 II 20.70

Burnham Prairie 0461 I, III 111.64

Busse Woods 0534 I, II, III 653.14

Calumet City Prairie 0497 I, II 87.27

Cap Sauers Holdings 0422 III 1,495.15

Carle Woods 1379 II 136.02

Chicago Ridge Prairie 0398 I, III 16.54

Clayton F. Smith Woods 1387 II 27.91

Crabtree Nature Center 0266 II 944.46

Cranberry Slough 0423 III 379.59

Deer Grove West 1775 II, III 1,113.75

Dolton Avenue Prairie 0426 I 29.59

Dropseed Prairie 0425 I, III 11.24

Gensburg - Markham Prairie 0400 I, II, III 196.95

Glenbrook North High School Prairie 0393 I, III 3.66

Glencoe Botanical Area 0535 II 3.86

Glenview Naval Air Station Prairie 1495 II 36.66

Gray Farm Park Marsh 1383 II 90.31

Harms Woods Forest Preserve 1573 I, II, III 335.71

Helm Woods 0623 I, III 241.67

Hubbard Woods Site 1378 II 2.16

James Woodworth Prairie Preserve 0395 I 5.65

Jens Jensen Grasslands and Woods 1932 III 221.08

Jurgensen Woods 0501 I, II, III 121.69

Kennicott's Grove 1469 II, III 115.43

Lake Calumet 1070 II 3,049.89

Lemont East Geological Area 0529 IV 55.09

Little Red Schoolhouse Nature Center 0267 II 342.45

Markham Prairie - East 0424 I 48.74

McGinnis Slough 1357 II 307.78

McMahon Woods and Fen 1798 III 666.02

Metra Prairie 1726 II 2.40

Montrose Beach Dune 1727 II 11.61

Morton Grove Prairie 0396 I, III 2.14

6


Old Plank Road Prairie 0540 I, III 109.78

Orland Grassland 1713 II, III 946.85

Paintbrush Prairie 1563 III 135.18

Palatine Prairie 1381 III 2.13

Palatine Road Marsh 1384 II 89.24

Palos Fen 0421 I, II, III 71.64

Paw Paw Woods 0399 I, III 147.93

Powderhorn Lake and Prairie 1071 I, II 222.79

Riverdale Marsh 1356 II 62.03

Sagawau Canyon 0256 I, III 169.85

Salt Creek Woods 0420 III 232.32

Sand Ridge Nature Center 0269 II 277.72

Sand Ridge Prairie - A 0499 I, II, III 135.95

Santa Fe Prairie 0253 I, III 10.84

Sauganash Prairie 1376 II 2.42

Sauk Village Railroad Prairie 0542 I 1.05

Schiller Woods Prairie 1377 II 10.01

Shoe Factory Road Prairie 0394 I, II, III 36.55

Sidney R. Yates Flatwoods 0397 I, II 92.45

Somme Prairie 0254 I, II, III 408.56

Spring Creek Prairie 0391 I 22.34

Spring Lake - Cook 0390 II, III 555.64

St. Paul's Forest Preserve 1574 II 180.64

Sundrop Prairie 1575 III 87.84

Superior Street Prairie 0500 I, II, III 62.72

Thatcher Woods Prairie 1431 II 6.86

Thorn Creek Woods 0933 I, III 893.68

Thornton - Lansing Road 0504 I, II, III 509.18

Tollgate Prairie 0502 I 9.40

Volbrecht Road Woods 0427 II 32.64

Vollmer Road Area 1358 II, III 1,557.43

WGN Marsh 1385 II 55.62

Wampum Lake Seepage Area 0428 I, III 307.06

Waterfall Glen 0532 II 1,075.63

Wayside Prairie 1390 II 11.11

Wentworth Prairie 0498 I 55.83

Wolf Lake 1355 II 564.85

Wolf Road Prairie 0251 I, II, III 84.51



Crawford

Chauncey Marsh 0038 I, II, II-R, III 1,425.33

Edward V. Price Woods 1773 III 82.02


Emma Vance Woods 1735 I, III 44.19

Palestine Botanical Area 1062 II 112.86

Silvery Woods 1877 II 1,899.04




Cumberland


7


Jewett Geological Area 0450 IV 26.66

John Clyde Spitler Woods 1844 I 19.48

Neoga RR Prairie 1721 I 0.61

Strickland Woods 1818 I 22.43



De Witt

Kickapoo Creek 1776 VI 35.42

Mettler Woods 0020 I, III 70.35

Salt Creek 1432 VI 498.00

Salt Creek Farmer City Reach 1921 VI 26.92



DeKalb

DeKalb Geological Area 0522 IV 33.85

East South Branch Kishwaukee River Sycamore Segme 1884 II, VI 49.98

Kishwaukee River South Branch 1789 VI 192.91

Somonauk Creek Sandwich Reach 1927 VI 26.55

South Branch Kishwaukee River Kingston Reach 1928 VI 47.19

Wilkinson Marsh 0053 I, III 46.42



Douglas

Brushy Fork Newman Segment 1881 II, VI 99.66

Deer Creek Hindsboro Reach 1883 II, VI 12.37

Embarras River - Camargo 1120 II, III, VI 595.40

Embarras River - Nanney Research Reach 1808 VI 34.77

Kaskaskia River - Chesterville 1864 II, VI 44.59

Walnut Point 0039 I, II, III 193.70



DuPage

Belleau Woods 1837 III 122.82

Belmont Prairie 0526 I, III 24.59


Churchill Prairie 0524 II, III 100.46

Des Plaines Riverway 1820 III 75.86

East Branch Marsh 1399 II 8.49

Eola Road Marsh 1470 II 50.43

Fermilab 0533 II 662.93

Fischer Woods 1404 II 106.51

Fullersburg Woods Nature Center 0530 II 184.63

Herrick Lake Forest Preserve 1397 II 765.61

Hinsdale Prairie 0528 II 1.57

8


Lemont East Geological Area 0529 IV 55.09

Lyman Woods 1471 II 96.99

Maple Grove Forest Preserve 0527 I, II 48.73

McKee Marsh 1398 II 124.77

Meacham Grove 0523 I 54.07

Morton Arboretum 0506 I 1,406.26

Pratts Wayne Woods 1401 II 1,328.00

Prince Crossing Marsh 1402 II 31.75

Route 59 Marsh 1403 II 16.00

Songbird Slough 1400 II 20.73

Springbrook Prairie 1516 II 1,846.16

St. John Lutheran Prairie 1769 III 2.75

Swift Road Meadow 1391 II 138.49

Tri-County Wetland 1443 II, III 31.41

Waterfall Glen 0532 II 1,075.63

West Chicago Prairie 0505 I, II, III 339.64

West DuPage Forest Preserve 1395 II 443.85

Wood Dale Grove 1392 II 161.38



Edgar

Baber Woods 0543 I, III 60.00

Brushy Fork Newman Segment 1881 II, VI 99.66

North Fork Brouilletts Creek 1472 VI 32.19



Edwards

Beadles Barrens 1547 I, III 26.55




Effingham

Effingham North Geological Area 0544 II, IV, VI 14.00

Effingham001 1956 I 29.19

Lake Sara Flatwoods 1434 I, III 68.42

Mound Prairie 1548 II 1.91

Ping's Prairie 1529 I 14.72

Rock Cave 0355 I, III 451.99

Twelve Mile Prairie 0991 I 79.65



Fayette

Bauman Pond 0321 I 9.24

Burnside Forest 1796 I 49.30

9


Dean Hills 0163 I, III 88.93

Dismal Creek Savanna 1532 I, II 50.49

Fish Lake Woods 0151 I 154.83

Ginger Ridge 1631 II 27.06

Horn Prairie Grove 1788 I, II, III 44.07

Mulberry Grove Geological Area 0547 IV 6.48

Prairie Ridge - Marion County 0754 II, III 23,737.57

Ramsey Creek 1435 VI 47.25

Ramsey Lake Railroad Prairie 0549 I, III 11.78

Ramsey Marsh 0546 I 64.33

Sonneman Woods 0032 I 148.68


Vandalia Geological Area 0548 IV 50.31



Ford

Big Four Ditch Perdueville Segment 1879 II, VI 25.28

Clarence Railroad Prairie 0993 I 11.40

Clarence West Railroad Prairie 0550 I 5.12

Gardner Prairie Reconstruction 1497 I-R 6.59

Kelly Creek - Charlotte Reach 1714 VI 37.90

Kempton Railroad Prairie 1832 I 4.97

Mackinaw River 0788 I, II, III, VI 2,159.52


Paxton Railroad Prairie 1831 I 0.84

Prospect Cemetery Prairie 0992 I, III 5.00


Sibley Grove 1702 I, III 49.79



Franklin

Campbell Lake 0167 I, III 1,046.02



Fulton

Anderson Lake Site 1123 II 1.58

Cedar Creek Avon Reach 1936 VI 30.67

Copperas Creek Geological Area 0553 IV 11.21

Diers Seep Spring 1537 I 8.95

Duck Club Road 1122 II 5.63

Enion Geological Area 0456 IV 3.73

Harper - Rector Woods 0125 I, III 34.67

Hipple School Geological Area 0554 IV 7.53

Kedzior Woodlands 1746 III 163.64

Marietta Geological Area 0431 II, IV 13.27

Oak Grove School Geological Area 0555 IV 1.88

Seahorne Creek Geological Area 0556 IV 2.84

Seville Geological Area 0455 IV 3.13

10


Seville Savanna 1723 I 10.51

Slim Lake Area 1121 II 438.36



Gallatin

Beaver Pond 1159 II 22.62

Black Lake 0557 I, II 29.09

Camp Cadiz 1600 II 7.04

Eagle Creek 1158 II 48.36

Goose Pond 0002 I, III 123.69


North Fork Saline / Saline River Equality Segment 1889 II, VI 64.50

North Fork Saline River - Elba Reach 1517 VI 28.28

Pounds Hollow 0558 I, IV 243.41

Wabash River 1157 II 2,355.27



Greene

Apple Creek Haypress Reach 1910 VI 26.29

Apple Creek Whitehall Reach 1911 VI 23.01

Buckhorn Island Bed 1669 VI 1.42

Dayton Hollow Hill Prairie 0301 I, II 30.37

Eldred Caves 0559 I 15.56

Greene027 1803 I 12.55

Greene035 1804 I 34.76

Hurricane Creek Bed 1670 VI 4.39

Macoupin Creek Floodplain Forest 1953 I 57.33

McMaster Woods 1473 I, III 43.77

Providence Woods 0149 I 29.88

Roodhouse Site 1335 II 6.27

Shaffer Hollow Hill Prairie 0322 I 32.99

Van Geson Island Bed 1671 VI 2.04



Grundy

Aux Sable Creek 1577 II, VI 185.97

Aux Sables Railroad Prairie 0562 I 1.02

Braceville Railroad Prairie 0564 I 2.82

Collins Station Prairie 0560 I 642.02

Commonwealth Edison Hill Prairie 0054 I 7.91

Dupont Hill Prairies 0055 I 30.00

Goose Lake Prairie 1067 I, II, III 1,808.36

Hildy Prairies 1360 II, III 8.50

Illinois River - Dresden 1438 II 893.08

Mazon Creek Geological Area 0561 IV 17.52

Mazon River - Gardner Reach 1701 VI 43.41

Mazon River - Johnny Run Reach 1800 VI 42.27

Mazonia Railroad Prairie 0563 I 2.61

11


Short Pioneer Cemetery Prairie 1545 III 1.31

Third Avenue Prairie 1361 I 13.76

Waupecan Creek Geological Area 0432 IV 6.81



Hamilton

Karcher's Post Oak Woods 1553 I, III 43.70




Hancock

Cecil White Prairie 0155 I, III 66.10

Cedar Glen Kibbe 0565 I, II, III, IV, VI 3,887.15

East Fork LaMoine River Tennessee Reach 1912 VI 23.98

Elvaston Railroad Prairie 1605 I, II 45.58

Geissler Savanna 1229 I, III 49.84

Geode Glen Geological Area 0435 IV 4.10

Gerdes Hill Prairie 0153 I 68.42

Huff Island Bed 1693 VI 3.90

Jackson Cemetery Geological Area 0433 IV 5.42

LaMoine River Plymouth Reach 1917 VI 41.50

Mississippi River - Nauvoo 1230 VI 2,134.12

Mississippi River - Pontoosuc 1228 II, VI 4,202.68

Mt. Moriah Geological Area 0567 IV 7.33

Stony Hills 1645 III, IV 228.14

Tyson South Geological Area 0434 IV 4.22



Hardin

Barker Bluff 0019 I, II, III 169.89

Big Creek 0464 I, II, VI 85.34

Brown's Hole Cave 0570 I 6.05

Cane Creek Area 0766 II 2.86

Cave Spring Cave System 0984 I, II 1,169.53

Collier Limestone Glade 0012 I, III, IV 168.63

Griffith Cave 0571 I, II 0.99

Haney Creek 1163 II 25.40

Hicks Dome Plug Geological Area 0462 IV 8.95

Hicks Geological Area 0463 IV 7.73

Hosick Creek 1165 II 9.34

Kaskaskia Woods 0323 I 22.33

Keeling Hill 0001 I 68.00

Lamb Site 1168 II 5.87

Layoff Cave 0569 I, II 253.39

Melcher Hill Limestone Glade 0324 I 6.75

Orr's Landing Geological Area 0436 IV 2.21

Panther Hollow 0949 II 241.85

Peters Creek 1164 II 22.64

12


Pounds Hollow 0558 I, IV 243.41

Rock Creek 1166 II 24.26

Russell Cemetery Glade 0568 I 19.08

Saline Landing 0767 II 5.31

Soward Limestone Glade 0176 I 7.44

Whoopie Cat Mountain 0325 I, II 81.63



Henderson

Bailey Hill Prairie 0159 I 3.65

Bald Bluff 1782 I 8.95

Big River Natural Area 0158 I, II, III 561.32

Cedar Creek Little York Reach 1882 II, VI 19.40

Delabar - Pruett Hill Prairies 0160 I 22.45

Ellison Creek Prairie 0357 I, II, III 312.81

Gladstone Lake 1124 II 84.28

Henderson Creek Hill Prairie 0235 I, III 79.81

Mississippi River - Drew Chute 1439 II 1,268.56

Mississippi River - Pontoosuc 1228 II, VI 4,202.68

New Crystal Lake Club 0356 I, II, III 1,332.73

North Henderson Creek Hill Prairie 0122 I 24.69

Oquawka Reach Bed 1623 II, VI 2.97

Putney's Landing 1126 II 12.49



Henry

Edford Railroad Prairie 0574 I 2.10


Green River East Railroad Prairie 0575 I 1.98

Green River Geneseo East Reach 1915 VI 74.31

Green River Geneseo Reach 1916 VI 77.02

Green River West Railroad Prairie 0576 I 0.82

Greenlee Cemetery Prairie 1539 III 0.84

Henry001 1811 I 6.60

Henry012 1833 I 8.44

Keener Prairie 0166 I 2.16

Mineral Marsh 1103 II, III 310.31

Munson Township Cemetery Prairie 0573 I, II, III 5.19

Roy Reppert Prairie 0165 I 15.76



Iroquois

Beaver Creek - North Hooper Reach 1582 VI 6.85

Beaver Creek Papineau Segment 1365 II, VI 197.14

Clifton Railroad Prairie 1827 I 0.50

Hooper Branch Savanna 0577 I, II, III 659.37

Iroquois County Conservation Area 0763 I, II, III 1,932.14

Iroquois River Ashkum Segment 1903 II, VI 128.28

13


Iroquois River Iroquois Reach 1941 VI 36.46

Iroquois River Sugar Island/Gooseberry Island Segmen 1580 II, VI 391.93

Iroquois River Watseka East Reach 1904 II, VI 47.14

Iroquois River Watseka Reach 1905 II, VI 61.08

Kankakee, Beaverville and Southern Railroad Prairie 0578 I, III 92.66

Loda Cemetery Prairie 1037 I, II, III 13.29

Loda Railroad Botanical Area 1876 I 1.19

Mud Creek - Dawson Park Reach 1866 VI 44.92

Mud Creek - Milford Reach 1583 VI 60.15

North Fork Vermilion River 1141 II, III 325.28

Pike Creek Martinton Reach 1907 II, VI 10.92

Pittwood Railroad Prairie 1826 I 4.35

Spring Creek - Crescent City Reach 1584 VI 89.52

Watseka Railroad Prairie 1362 II 1.35

Watseka Sand Pond 1363 I, II, III 55.21



Jackson

Ava Cave 0598 I 238.37

Backbone South Geological Area 0594 IV 4.56

Bake Oven - Backbone North Geological Area 0593 IV 7.59

Black Cave 0600 I 10.94


Clear Springs Geological Area 0438 IV 14.20

Crain Geological Area 0465 IV 36.47

Degognia Canyon 1731 II, III, VI 1,665.89

Devil's Den 0590 II 92.16

Faulkner - Franke Railroad Prairie 0597 III 5.37

Fern Rocks 0958 I, II, III 186.79

Fountain Bluff Geological Area 0595 IV 2.51

Fountain Bluff North 0589 II 14.47

Kinkaid Bluff 0588 VI 41.63

Lake Murphysboro Hill Prairies 0584 I, II, III 96.42

Lake Murphysboro Site 1172 II 7.23

Little Grand Canyon - Cedar Creek 0956 I, II, VI 3,942.73

Lovets Pond 1175 I, III 172.82

Mississippi River - Grand Tower 1176 II 368.17

Murphysboro Seep 0957 I 13.32

North Kinkaid 1778 II 1,148.22

Pine Hills Annex 0177 I 7.62

Piney Creek Ravine 0347 II, III 207.82

Post Oak Glade 1599 I, II, III, VI 1,411.31

Reeds Creek Canyon East 0168 I 42.01

Reeds Creek Canyon North 0583 VI 126.90

Route 127 South 1719 II, VI 2,020.16

SW Kinkaid Route 3 1732 I, II, VI 2,264.94

Snyder Lake 1963 I 144.21

Toothless Cave 0599 I, II 14.55



Jasper


14


Green Prairie 1766 I, III 8.37

Huddlestun Woods 0058 I, III 43.46

North Fork Embarras River Yale Reach 1920 VI 32.65

Prairie Ridge - Jasper County 0601 II, III 30,090.84



Jefferson

Capp Pond 0034 I 8.20



Jersey

Brainerd Cave 0605 I, III 10.54

Chautauqua Prairie 0964 I, II, III, IV 483.56

Deer Lick Hollow Geological Area 0439 IV 6.68

Distillery Hollow Glade 0604 I 36.55

Gilbert Lake 1300 II 10.62

Jersey047 1812 I 14.34

Jersey048 1813 I 4.42

Jersey115 1859 I 60.63

Jersey122 1860 I 62.31

Jersey123 1861 I 5.25

Katelyn's Woods 1745 III 147.33

McAdams Peak Hill Prairie 0603 I, III, IV 473.80

Pere Marquette - Little Giant City 0602 I 55.39

Powdermill Bed 1595 II, VI 34.81

Principia Hill Prairies East 0970 I, III 511.77

Principia Hill Prairies West 0962 I, II, III 107.88

Richwood Hill Prairies 1730 I 86.18

St. Andrew Ridge Woods 1543 III 259.31

Teneriffe School Geological Area 0467 IV 9.03



Jo Daviess

Apple River 1647 II, VI 48.50

Apple River Canyon 1069 I, II, III, IV 1,495.40

Casper Bluff 1781 III 69.46

Dixon Creek North Geological Area 0473 IV 1.28

Eagles Nest 1840 III 108.72

East Dubuque Geological Area 0469 II, IV 4.95

Falling Down Prairie 1683 I, III 281.05

Galena River Bluff 1440 II, IV 25.52

Hanover Bluff 1058 I, II, III, VI 1,419.90

Horseshoe Mound Geological Area 0608 IV 12.63

Keough Effigy Mounds 1787 III 30.96

Mississippi River Backwaters - Jo Daviess County 0606 II, VI 7,314.72

Pilot Knob Geological Area 0607 IV 6.59

Princess Mine Algific Slope 1102 I, II, III 173.18

Rice Algific Slope 1441 I, II, III 56.31

15


Royal Princess Geological Area 0472 IV 3.08

Savanna Army Depot 0965 I, II 14,400.14

Scales Mound Geological Area 0470 IV 1.03

Tapley Woods 1760 III 265.76

Wapello 1763 III 325.52

Ward's Grove 1100 I, III 627.12

Wise Lake Geological Area 0471 IV 2.68



Johnson

Archimedes Cave 0620 I 28.16

Bulge Hole 0986 I, II 70.02

Cache Valley Geological Area 0617 IV 4.46

Camp Ondessonk 1179 II 461.37

Cave Creek Barrens 0360 I, II, III 37.45

Cedar Bluff 0359 I, III 515.17

Cedar Bluff Cave 0769 I 3.55

Cypress Hill 1518 I, III 163.54

Cypress Pond 0062 I, III 501.07

Deer Pond 0061 I, II, III 174.69

Draper's Bluff 0967 III, IV 682.07

Ethridge Limestone Glade 0063 I 53.58

Firestone Creek Cave 0621 I, II 30.88

Goreville Geological Area 0441 IV 1.72

Goreville Interchange Geological Area 0440 IV 10.74

Grantsburg Swamp 0609 II 864.88

Horse Cave Area 1036 I 20.30

Indian Point 0027 I 109.71

Jug Spring 1181 II 2.62

Little Black Slough - Heron Pond Area 1059 I, II, III 9,308.02

Little Cache Creek Area 0616 VI 0.60

Little Saline River 1201 II 42.05

Lower Cache River Swamp 0610 I, II, III 10,823.03

Mason Cave 0619 I 12.32

Odum Tract 0611 I 124.81

Round Bluff 0963 II, III 61.18

Scout Cave 0059 I 230.88

Simpson Township Barrens 0613 I, II 251.19

Split Rock Hollow 0615 VI 2.09

Stoneside 1756 III 27.51

Sugar Creek - Saline Drainage 1210 II 24.45

Teal's Cave 0618 I 4.48

Thomas Cemetery Site 0016 I 52.23

Todd Fink Natural Area 0612 I 204.09

White Hill Cave 0966 II, VI 4.72

Wise Ridge 0060 I 404.78



Kane

Arlene Shoemaker Flatwoods 1821 I 10.97

Barrington Hills Botanical Area 0633 II 2.35

Blackberry Maples Marsh 1635 II 162.92

16


Bliss Woods 1531 III 67.18

Bliss Woods Marsh 1498 II 23.54

Bluff Spring Fen 0537 I, II, III 108.20

Brewster Creek Fen 1538 III 7.08

Burlington Prairie 0626 I, III 14.42

Burr Woods Marsh 1407 II 144.88

Campton Hills Park 1690 II, III 116.07

Carson Marsh 1405 II 131.34

Chicago Junior School Area 0968 I, III 31.06

DeSanto's Brewster Creek Site 1499 II 4.48

Dixie Briggs Fromm Prairie 1625 III 150.98

East South Branch Kishwaukee River Sycamore Segme 1884 II, VI 49.98

Elburn Forest Preserve 0627 I 57.05

Fermilab 0533 II 662.93

Ferson's Creek Sedge Meadow 0628 I, III 48.41

Fox River Fen 0632 I, II, III 30.50

Freeman Kame 1474 III 140.17

Helm Woods 0623 I, III 241.67

Hemmer - Kloempken Wetland 1519 I, III 50.77

Huntley Road Marsh 1410 II 26.89

Johnson's Mound 0631 I, III, IV 110.18

Lakin Hill Prairie 1412 I, III 17.90

Lily Lake Marsh 1408 II 19.06

Maple Park Railroad Prairie 0973 I 0.75

Mooseheart Ravine 0972 I, II 45.78

Murray Prairie 0630 I, III 5.89

Nelson Lake Marsh 0971 I, II, III 690.06

Norris Woods 0629 I, III 87.15

Powers Road Fen 1576 I, II 42.34

Pratts Wayne Woods 1401 II 1,328.00

Russell Prairie 1442 I, II 295.98

Shaw Fen and Woods 1771 III 39.45

Sleepy Hollow 0624 I, III 29.53

South Elgin Sedge Meadow 0969 I, II 17.97

Tri-County Wetland 1443 II, III 31.41

Trout Park 0625 I, II, III 41.79



Kankakee

Aroma Forest Preserve 1737 III 69.40

Beaver Creek Papineau Segment 1365 II, VI 197.14

Bourbonnais Geological Area 0639 III, IV 27.87

Campbell's Woods 0065 I, III 56.68

Essex Pit Number Eleven Geological Area 0640 IV 86.59

Goodrich Railroad Prairie 0642 I 1.06

Gooseberry Island 0106 I, III 28.65

Guiding Star Savanna 0974 I 336.98

Hooper Branch Savanna 0577 I, II, III 659.37

Hopkins Park Savanna 1835 I, II, III 76.56

Iroquois River Sugar Island/Gooseberry Island Segmen 1580 II, VI 391.93

Kankakee River Nature Preserve Addition 0903 I, III 131.12

Kankakee River Prairie 0067 I, II 102.82

Kankakee River Segment 0980 II, III, VI 3,639.39

Kankakee007 1950 I 69.32

Kankakee024 1801 I 1.91

Leesville Savanna 0638 I, II 305.57

17


Manteno Southwest Geological Area 0641 IV 2.92

Momence Wetlands 0635 I, II, III 2,361.42

Otto Road Railroad Prairie 0644 I, II 2.82

Pembroke Savanna 0975 I, II, III 1,200.87

Rock Creek Canyon 0636 I 28.66

Stateline Savanna 0768 I 51.32

Sweet Fern Savanna 1581 I, II, III 232.96

Tallmadge Sand Forest 1706 II, III 330.27



Kendall

Aux Sable Creek 1577 II, VI 185.97

Dixon Valley Sedge Meadow 0646 I, III 106.92

Emmons' Woods Land and Water Reserve 1691 II, III 55.63

Fox River 1444 II, VI 2,071.52

Maramech Woods 1541 II, III 86.26

Millhurst Fen 0981 II, III 7.61

Millington Fen 1416 II, III 21.13

Silver Springs Fen 1578 I 9.74

Silver Springs Railroad Prairie 0645 I, III 6.40

Yorkville Forested Seep and Fen 1579 I, II 13.53

Yorkville Prairie 0069 I, III 32.23

Yorkville Seep 0982 I, II 24.02



Knox

Forever Fields 1851 III 498.61

Haw Creek Sedge Meadow 1677 I, III 18.03

Knox Prairie 0169 I, III 12.91

Lake Bracken Woods 0128 I 18.43

Scotch Cemetery Savanna 0647 I 1.22

Spoon River Laura Segment 1943 VI 71.66

Spoon River Maquon Reach 1944 VI 41.56

Walnut Creek La Fayette Reach 1946 VI 26.52

Walnut Creek Roanoke Reach 1947 VI 22.57

Wolf Bridge Geological Area 0457 IV 3.40



La Salle

Camp River Trails 1739 III 67.24

Catlin Salt Marsh 0675 I, III 10.30

Clark Run 0677 II 55.42

Dayton Bluffs 1850 III 254.19

Deer Park South Geological Area 0474 IV 3.38

Ernat's Marsh 0674 I, II 13.31

Fox River 1444 II, VI 2,071.52

Illinois River - Marseilles 1446 II 679.44

Illinois River Floodplain - LaSalle County 1562 II 133.66

18


Illinois Valley College Geological Area 0476 IV 4.76

LaSalle Lake 1689 VI 2,183.43

LaSalle004 1951 I 3.10

LaSalle026 1799 I 0.37

LaSalle034 1952 I 22.63

Lasalle East Geological Area 0681 IV 10.85

Lasalle South Geological Area 0475 IV 3.30

Little Indian Creek Sheridan Reach 1918 VI 27.85

Lower Fox River - Blake's Landing 1633 III 30.47

Margery C. Carlson Woods 0081 II, III, IV 254.70

Marseilles Hill Prairie 1520 I 39.71

Marseilles North Hill Prairie Complex 1643 I 37.00

Marseilles West Hill Prairie 1954 I 0.51

Marsh Relicts 0678 VI 6.30

Matthiessen Dells 0079 I, II, III 159.36

Maze Woods 1750 III 239.25

Mitchell's Grove 1549 II, III 209.28

Otter Creek 1489 VI 45.39

Pecumsaugan Creek - Blackball Mine 1010 II, III 270.77

Sandy Ford 1759 III 191.93

Seneca Hill Prairie 0080 I 10.35

Sheridan Bluffs 0078 II 70.76

Sheridan Fen 1648 I, II 18.07

Split Rock Geological Area 0477 III, IV 0.96

Starved Rock - East 1077 I, II, IV, VI 1,204.14

Starved Rock - West 1550 I, II, III, IV, VI 1,069.70

Vermilion River - Illinois Drainage 1447 II, III, VI 1,176.97

Voight Pauper Cemetery Prairie 1761 III 0.90

Wedron Palisades 0676 II, III 19.17



Lake

Almond Marsh 1253 I, II, III 527.25

Antioch Bog 0650 I 26.31

Ascension Sedge Meadow 1554 II 58.79

Barrington Bog 0661 II, III 63.58

Berkeley Prairie 1874 III 15.75

Black - Crown Marsh 1503 II, III 506.33

Blair Woods 0655 I, II 124.02

Blodgett Bluff 1246 II 3.61

Buffalo Grove Prairie 1236 II 9.79

Cedar Lake 1004 I, II, III 349.89

Channel Lake 0673 I, II 363.59

Crabtree Farm Woods 0656 I 33.04

Cranberry Lake 1685 I, II 97.15

Cross Lake 1487 II 24.61

Cuba Marsh 1238 II, III 761.04

Deep Lake 1244 II 220.62

Edward L. Ryerson Conservation Area 1007 I, II, III 378.01

Elm Road Woods 1555 I, II 140.28

Fairfield Road Marsh South 1237 II 33.73

Farm Trails North 1240 II, III 23.72

Fish Lake and Marl Flat Forest Preserve 1682 I, II 358.35

Florsheim Park 1500 II, III 113.54

Fort Sheridan Bluff 1078 I, II 94.95

Fort Sheridan Site 1247 II 2.44

19


Fourth Lake - Rollins Road Savanna 0652 I, II, III 1,805.42

Gander Mountain Geological Area 1569 I, II, IV 294.14

Gavin Bog and Prairie 0794 I, II, III 229.99

Grainger Flatwoods 0667 II, III 285.16

Grass Lake Wetlands 0648 I, II 2,297.13

Herrmann's Woods 0664 I, III 22.15

Hybernia - Highmoor Prairie 1235 II, III 51.32

Illinois Beach 1083 I, II, III 2,043.51

Illinois Dunes North 1066 I, II, III 1,371.39

Lake Bluff Woods 1006 I, II 35.80

Liberty Prairie 1252 I, III 193.80

Little Silver Lake 1700 I, II 65.21

Lloyd's Woods 0663 I, III 448.93

Long Grove Site 1233 II 25.45

Loon Lake 0670 II 376.78

Lyons Prairie and Marsh 1001 I, II, III 541.23

Lyons Woods 1250 II, III 397.07

MacArthur Woods 1003 I, II, III 473.42

McCormick Ravine 1008 I, II 127.32

McDonald Woods Marsh 1249 II 46.27

McLean Woods and Wetlands 1823 III 532.06

Middle Fork Savanna 1245 I, II, III 745.75

Milne Brook and Prairie 1711 II 4.08

Oak Grove Botanical Area 0654 II 415.54

Pistakee - Brandenburg Bog 0983 I, II, III 494.30

Prairie White Fringed Orchid Preserve 1231 II, III 4.84

Ravinia Bluff 0666 I, II 2.56

Redwing Slough 1050 II, III 916.39

Reed - Turner Woodland 0228 II, III 152.43

River Road Woods 0653 I 20.00

Round Lake 1242 II 227.37

Round Lake Marsh 1243 II 222.34

Sargent Marsh 1570 II 30.06

Schreiber Lake Bog 1502 II 27.91

Skokie River 0658 I, III 159.18

Skokie River Prairie 1792 III 24.21

St. Francis Boys Camp 0070 I 71.71

Stanley Road Bog 0651 I, II 13.06

Sun Lake 1248 II 509.82

Tower Lake Fen 0662 I, II, III 225.85

Turner Lake 0987 I, II, III 161.73

Volo Bog 1005 I, II, III 330.77

Wadley Marsh 1571 II 122.76

Wadsworth Prairie and Savanna 0649 I, II, III 1,061.74

Wauconda Bog 1002 I, II, III 617.37

Waukegan Beach 1049 II 596.90

Windance Acres Marsh 1488 II 150.85

Wooster Lake 1572 II 95.61



Lawrence

Allison Ditch 1321 II 1.36

Berryville Geological Area 0682 IV 4.38

Centerville Cemetery 1322 II 0.66

Chauncey Marsh 0038 I, II, II-R, III 1,425.33

Embarras River Bottoms 1964 II, VI 3,633.03

20


Lawrenceville Airport 1323 II 1,470.87

Miller Pond 1530 I 126.59

Red Hills Seep Springs 1320 II, III 13.53

Red Hills Woods 0040 I, III 36.96

Robeson Hills 0014 I, II, III 299.08

Thacker - Pauley Marsh 0082 II 47.59




Lee

Amboy Central Railroad Prairie 0694 I 1.30

Amboy North Railroad Prairie 0693 I, III 16.60

Amboy South Railroad Prairie 0695 I 9.73

Ashton East Geological Area 0691 IV 9.37

Ashton Geological Area 0478 IV 7.21

Augustana Sedge Meadow 1828 I 6.56

Bartlett Woods 0688 III 27.56

Broderick Prairie 1552 II 76.64

Compton Geological Area 0690 IV 15.16

Dickenson Site 1114 II 18.55

Dixon Southwest Geological Area 0479 IV 18.69

East Grove 1109 II 22.69

Five-Points Bog 1551 II 19.15

Foley Sand Prairie 0683 I, III 16.33

Franklin Creek 1068 II, III, IV 251.58

Grand Detour Botanical Area 0686 II, III 16.69

Green River Lowlands 1621 II 1,118.84

Green River Prairie and Wetlands 1072 I, II 1,137.73

L & M Prairie 0772 II, III 14.50

Longanecker Farm 1115 II 9.55

Lowell Park 1622 I 95.10

Nachusa Grasslands 0685 I, II, III 3,008.88

Rock River Botanical Area 0684 II 4.63

Rock River Dixon Segment 1893 II, VI 474.67

Rock River Grand Detour Reach 1894 II, VI 262.36

Rockyford Road Site 1111 I, II 21.35

Ryan Wetland and Sand Prairie 1681 II, III 204.14

Sand Prairie Habitat Area 1112 II 259.83

Sandy Hill Slough 1110 II 43.33

Temperance Hill Cemetery Prairie 0689 I, III 2.41



Livingston

Broughton Cemetery Prairie 1784 I 1.04

English Prairie 0698 I, III 0.54

Felky Slough - Saunemin Reach 1715 VI 54.55

Fivemile Creek Saunemin Reach 1939 VI 15.90

Kelly Creek - Charlotte Reach 1714 VI 37.90

North Fork Vermilion River - Charlotte Reach 1716 VI 30.26

Ocoya Geological Area 0697 IV 9.38

Route 66 Railroad Prairie - Cayuga 1615 I 1.06

Saxony Junction Prairie 1807 I 2.29

21


Sunbury Railroad Prairie 0699 I, III 17.05

Vermilion River - Illinois Drainage 1447 II, III, VI 1,176.97



Logan

Barton - Sommer Woodland 0190 I, III 58.26

Elkhart Hill 0178 I, III 210.12

Kickapoo Creek - Fairview Cemetery Reach 1668 VI 70.25

Logan032 1857 I 7.55

Middle Fork Sugar Creek - Standford/Armington Seg 1628 VI 29.43

Salt Creek 1432 VI 498.00

Sandra Miller Bellrose 1678 III 65.85

Sugar Creek - Salt Creek Drainage 1521 VI 96.66

West Fork Sugar Creek - Minier/Morgan Bridge Segm 1629 VI 39.03



Macon

Bois Du Sangamon 0015 I, III 54.30

Calamus Lake 0085 I, III 131.87

Elwin Botanical Area 1086 II, III 14.60

Friends Creek - Argenta Reach 1692 VI 15.19

Long Point Slough (East) 0084 I 72.84

Rock Springs 1969 III 421.37


Sangamon River Decatur Reach 1922 VI 50.81

Spitler Woods 0046 I, III 157.84



Macoupin

Beaver Dam Gravel Hill Prairie 1536 I, II 23.68

Bullard Lake Club 0332 I, III 146.63

Carlinville Geological Area 0725 IV 23.69

Carlinville Railroad Prairie 0726 I, II 3.30

Chaney Woods 0030 I, III 33.57

Denby Prairie 0727 I, III 6.36

Gillespie Railroad Prairie 1337 II, III 103.63

Goode's Memorial Woods 0183 I, III 40.29

Hagaman Marsh 0181 I 103.45

Macoupin003 1805 I 51.64

Macoupin105 1806 I 7.04

Reiher Barrens 1596 II 15.37

Roderick Barrens 1561 I, II, III 7.84

Scottville Geological Area 0442 IV 26.90

Solomon Creek Woods 0182 I 31.84

Woodburn Botanical Area 1448 II 4.74


22



Madison

Alton Geological Area 0443 IV 3.85

Bohm Woods 0184 I, III 121.92

Chouteau Botanical Area 1303 II 1.22

Eagle Park Marsh 1305 II 101.13

Levee Lake 0304 I 229.39

Missionary Oblates' Woods 1640 III 16.37

Mississippi River - Hartford 1858 II, VI 3.91

Mississippi Sanctuary 1639 III 58.99

Olin Tract 0728 I, III 362.86

Poag Railroad Prairie 1302 I, II, III 18.84



Marion

Forbes Woodland 1875 I 11.37

Loy Prairie 1838 III 213.70

Miller Shrub Swamp 0186 I, III 36.87

Prairie Ridge - Marion County 0754 II, III 23,737.57

Sandy Branch Woods 0187 I 17.88

Skillet Fork - Gettins/Rock Bluff Segment 1780 VI 85.47

Skillet Fork Iuka Reach 1925 VI 31.06




Marshall

Brown Run - Billsbach Lake 1134 II 2.52

Crow Creek Bluff Forest 1624 II, VI 202.52

Crow Creek Marsh 0305 I 44.37

Fern Ridge 1836 II 36.02

Hopewell Estates Hill Prairie 0231 I, II, III 85.87

Leigh Woods 1127 II 42.79

Marshall County Conservation Area Hill Prairies 0189 I, III 68.46

Marshall SFWA Pigeon Creek Forest 1564 VI 31.63

Oak Bluff Savanna 1559 III 5.75

Sandy Creek Bluffs 1758 III 153.05

Sandy Creek Hill Prairies 0188 I, III 174.11

Sandy Creek Wenona Reach 1942 VI 22.26

Sparland Unit 1128 II 22.11



Mason

Barkhausen Woods 0362 I, III 130.80


Bath Chute Bed 1687 VI 121.92

23


Bath Lake Springs 0737 II, III 54.19

Baugher Hill Prairie 0748 I, III 90.44

Burns Sand Prairie 1347 I 59.02

Clear Lake Rookery 1064 II 1,593.71

Duck Soup Woods 0363 I 38.41

Eckard Railroad Prairie 0736 I 1.16

Henry Allan Gleason Sand Prairie Complex 0109 II, III 106.17

Knuppel Woods 0361 I, III 201.06

Long Branch Sand Prairie 0194 I, II, III 168.93

Matanzas Prairie 0196 I, II, III 160.41

Matanzas Sand Prairie 0124 I, II 31.37

Oakford Herbage 1348 II 21.17

Quiver Prairies 0123 I, IV 395.15

Revis Hill Prairie 0195 I, II, III 428.55

Rountree Sand Forest 0110 I 25.09

Sand Lake 1343 II 191.08

Sand Prairie - Scrub Oak 0732 I, II, III 1,649.29

Sand Ridge Savanna 0364 I 82.31

SandRidge State Forest Sand Pond Complex 0733 II 47.75

Snicarte Bulrush Complex 1346 II 50.71

Snicarte Sand Area 1084 II 24.26

Sparks Ponds 1341 II, III 1,003.80

Tomlin Timber 0191 I, III 20.60

W. B. Wallace Woods 0193 I 20.95

Walden West 1762 III 43.68

White Oak Creek Woods 0126 I, III 86.82



Massac

Badlands Geological Area 0481 IV 2.52

Cretaceous Hills 0945 II, III 445.92

Fort Massac Area 0073 I, II, III 621.31

Halesia 0753 II, III 34.08

Horsefly Ridge 1786 I, III 56.01

Indian Point 0027 I 109.71

Klondike Spring 0809 I, II 147.97

Lewis Estate 0075 I, II 331.62

Lewis Estate North 0739 I, II 401.28

Lewis Estate South 0740 I 47.61

Lino Laird Ravine 0746 II 53.31


Mermet Lake East 0743 II 55.13

Mermet Lake Flatwoods 0741 II, III 106.99

Mermet Swamp 0742 II, III 41.09

Metropolis North Geological Area 0747 IV 5.90

Metropolis West Botanical Area 0745 II 1.04

Ohio River - Hillerman 1185 II 152.67

Sielbeck Forest Tract 0071 I, II, III 462.87

Thornton Ravine 0744 II 1.29



Mcdonough

24


Argyle Hollow Barrens 0145 I, III 17.27

East Fork La Moine River - Colchester Reach 1855 VI 31.57

East Fork La Moine River - Macomb Reach 1856 VI 27.25

East Fork La Moine River North Tennessee Reach 1938 VI 28.88

East Fork LaMoine River Tennessee Reach 1912 VI 23.98

Grigsby Marsh 0171 I, III 94.08

Grindstone Creek Colchester Reach 1940 VI 14.92

LaMoine River Plymouth Reach 1917 VI 41.50

Lost Grove Wetland 1783 II 2.33

Nenawakwa 1752 III 143.83

Sciota Railroad Prairie 1602 II 12.57

Short Fork Seep 0144 I, III 46.53

Sphagnum Seep 0172 I 2.33

Thistle Hills 1684 II, III 192.69

West Bushnell Railroad Prairie 1603 II 29.42



Mchenry

Alden Sedge Meadow 1262 I, II, III 420.23

Algonquin Geological Area 0716 IV 3.04

Barber Fen 1267 I, II, III 173.49

Bates Fen 0708 I, II, III 543.25

Beck Woods Conservation Area 0710 II 86.81

Black - Crown Marsh 1503 II, III 506.33

Blair Fens and Wet Prairie 1709 I 13.74

Boloria Meadows 1705 I, III 44.82

Boone Creek Fen and Seep 1015 I, III 488.06

Bystricky Prairie 1254 I, II, III 112.79

Carl and Claire Marie Sands/Main Street Prairie 1259 I, III 118.23

Cary Junior High Prairie 1260 I, III 9.63

Cary Old Water Tower Prairie 1490 I, II, III 127.90

Clemetsen *Maunk-Sook* Sedge Meadow and Savan 1710 II-R, III 54.91

Cotton Creek Marsh 0707 I, II, III 340.07

Deep Cut Marsh Wildlife Refuge 0705 II 19.65

Delta Kames 0711 I, II, III, IV 1,463.17

Detrana Fen 1557 I, II, III 188.26

Elizabeth Lake 1014 I, II, III 348.35

Exner Marsh 1263 I, II, III 286.20

Gander Mountain Geological Area 1569 I, II, IV 294.14

Genoa City Sedge Meadow 1264 II 123.19

Gladstone Fen 1265 I, III 60.31

HUM Railroad Prairie East 1269 I, II 108.12

HUM Railroad Prairie West 1270 I, II 78.13

Halo Hill Tree Farm and Artists Retreat 1797 III 432.44

Harrison - Benwell Conservation Area 0706 II 51.99

Harvard East Geological Area 0098 IV 26.87

Harvard Geological Area 0083 IV 23.60

Harvard Savanna 1268 I, II 75.36

Hebron Peatland 1491 I 562.56

Hemmer - Kloempken Wetland 1519 I, III 50.77

Hillside Prairie 0713 I, II, III 13.96

Hollows Conservation Area 1255 II 59.06

Horserace Springs Fen 1565 I 104.91

Kaskel Fen 1566 I, II 11.62

Kettle Moraine 1012 I, II, III 632.36

Kishwaukee Fen 1256 I, III 51.04

25



Kloempken Marsh 1504 I 224.42

Lac Louette 1000 I, II 162.12

Lake-in-the-Hills Fen 1011 I, II, III 278.00

Lakota Boy Scout Camp Marsh 1525 I 20.22

Lange Road Bog 1505 I, II 115.23

Larsen Prairie and Fen 0701 I, II-R 18.08

Lily Lake 1271 II 87.11

Lind Forest 1266 II, III 128.72

Lyons Prairie and Marsh 1001 I, II, III 541.23

Nippersink Creek 1506 II, III 49.77

Nippersink Marsh 1492 I 266.01

North Branch of Nippersink Creek 1507 II, VI 40.95

Parker Fen 1257 I, II, III 11.55

Piscasaw Creek 1508 VI 88.58

Pistakee - Brandenburg Bog 0983 I, II, III 494.30

Pleasant Valley 1509 I, II 208.62

Queen Anne Prairie - Eckert Cemetery 1051 III 1.01

Ski Hill Prairie 0700 I 3.90

Slough Creek Sedge Meadow 0715 II, III 30.46

Spring Creek Fox River Grove Reach 1909 II, VI 8.00

Spring Grove Fen 0712 I, III 50.05

Spring Lake - Cook 0390 II, III 555.64

Standlee Fen 1614 I 105.23

Sterne's Fen 1013 I, II, III 174.05

Stickney Run Conservation Area 1273 I, II 534.35

Streets Lake 1274 II, III 101.67

Thunderbird Lake 1558 I, II 117.98

Weingart Road Sedge Meadow 0709 I, III 77.94

West Woodstock Prairie 1568 I, III 146.74

Wheeler Fen 1764 III 29.68

Wingate Prairie 1258 I, II, II-R, III 67.74

Woodstock Marsh 1493 II 8.82



Mclean

Danvers Geological Area 0722 IV 2.06

Funks Grove 0721 I, II, III 1,364.03

Kickapoo Creek 1776 VI 35.42



ParkLands Foundation Merwin Preserve 1734 I, III 84.23

Salt Creek Farmer City Reach 1921 VI 26.92


Timber Creek 1626 II, III, VI 38.81

Weston Cemetery Prairie 0995 I, III 5.27



Menard


Baugher Hill Prairie 0748 I, III 90.44

Oakford Herbage 1348 II 21.17

26


Sangamon River - Richland Creek/Petersburg Segmen 1522 VI 233.96

Witter's Bobtown Hill Prairie 0365 I, II, III 10.18



Mercer

Brownlee Cemetery Prairie 0749 I, III 3.28

Mississippi River - Muscatine 1297 II 5,188.06

New Boston Marsh 0366 I, II 1,118.17



Monroe

Bradley Branch Woods 0757 I 27.03

Chalfin Bridge Hill Prairie 0760 I, II, III 279.39

Columbia Hill Prairie 0201 I, II, III 679.39

Demint Prairie/Prairie Du Rocher Herpetological Ar 0938 I, II, III, IV 479.86

Frog Karst System 1616 I, II 963.36

Fults Hill Prairie - Kidd Lake Marsh 1045 I, II, III 1,684.19

Horse Creek Glade 1608 II, III 2.09

Madonnaville Cave 0785 I 502.14

Miles Prairie 0202 I, III 94.53

Monroe City Hill Prairie 0199 I, II, III 341.71

Pautler - Annbriar Karst System 1306 I, II, III 7,786.78

Potato Hill Natural Area 0200 I, II, III, VI 842.66

Rahe's Woods 0198 I 45.67

Renault Cave System 1017 I 1,079.13

Renault Geological Area 0759 IV 75.15

Renault Herpetological Area 0761 II, III 406.13

Renault Karst Area 1597 I, II, III 10,608.97

Saltpeter Cave Area 0758 I, II 157.62

Stemler Karst Area 0835 I, II, III, IV, VI 4,539.10

Storment Hauss Woods 1617 I, III, VI 75.56

Sutterville Sinkhole 1966 II, III 545.39



Montgomery

Gillespie Railroad Prairie 1337 II, III 103.63

Irving Railroad Prairie 0751 I 3.87

Roberts Cemetery Savanna 0750 I, II, III 1.67

Shoal Creek Barrens 0752 I, II 100.80



Morgan

Meredosia Docks Bed 1664 VI 1.84

Meredosia Hill Prairie 0203 I, II, III 37.26

27


Meredosia Island Bed 1665 VI 3.51

Meredosia Refuge 1352 II 5,714.66

Mud Creek Hill Prairie 1591 I, II 15.23

Murrayville Railroad Prairie 1351 II 0.10

National Starch Bed 1666 VI 2.68

Newman Cemetery Savanna 1475 I, III 2.72

Wilson Island Bed 1667 VI 2.75



Moultrie

Coneflower Hill Prairie 1130 I 4.52

Kaskaskia River - Cooks Mills Segment 1649 II, VI 159.36

Sullivan Woods 0077 I 33.97

West Okaw River 1453 VI 51.43



Ogle

Beach Cemetery Prairie 0773 I, II, III 2.24

Byron Dragway Prairie 1106 II, III 16.22

Castle Rock 1052 I, II, III, IV 760.28

Commonwealth Edison Prairie 1107 II 177.10

Devil's Backbone 0482 III 50.51

Douglas E. Wade Memorial Prairie 0011 I, III 16.00

Edward F. Vasallo 1888 III 129.11

Fearer Tract at Castle Rock 0770 II, III, IV 157.55

Heeren Prairie 0089 I, III 3.57

Jarrett Prairie 1454 II, III 309.50

Kilbuck Creek Davis Junction Reach 1885 II, VI 29.25

Kilbuck Prairie 1108 II 1.16


Kyte River - Flagg Center/Daysville Segment 1717 VI 116.17

Kyte River Bottoms 1747 III 226.38

Lichty Sedge Meadow 1834 I 2.10

Lowden - Miller Forest 1455 I, II 904.48

Mount Morris East Geological Area 0774 IV 10.84

Nachusa Grasslands 0685 I, II, III 3,008.88

Ogle001 1842 I 2.14

Oregon Geological Area 0458 IV 9.39

Pine Rock 0088 I, II, III 67.64

Piros Prairie - Kyte Creek Fen 1527 I, III 126.41

Prairie Star School Geological Area 0459 IV 2.17

Rock River Byron Segment 1892 II, VI 553.38

Rock River Grand Detour Reach 1894 II, VI 262.36

Rock River Rockford Segment 1896 II, VI 869.60

Severson Dells 0931 III 414.41

Sinnissippi Forest 0765 II 7.21

Stronghold Hill Prairie 0074 I, III 1.54

Wassilak Sedge Meadow 1829 I 18.26

White Pines Forest 0087 I, II, III 70.49


28



Peoria

Boyds Hollow Woods 0209 I 56.53

Brimfield Railroad Restoration Prairie 1679 III 6.11

County Line Hill Prairie 0213 I 71.95

Detweiller Riverfront Prairie 1733 I, II 18.88

Detweiller Woods 0208 I, III 360.15

Dickison Run Hill Prairie 0142 I 13.31

Forest Park 0207 I, III 670.41

Grandview Woods 0205 I 65.37

Jubilee College State Park 0117 I, III 63.40

Mossville Road Hill Prairie 0143 I, III 4.90

Robinson Park Hill Prairie 0233 I, II, III 161.94

Rock Island Trail Prairie 1419 I, III 7.38

Rocky Glen 0204 I 134.10

Root Cemetery 1494 I, III 2.63

Singing Woods 1634 I, II, III 748.22

Spoon River Laura Segment 1943 VI 71.66

Springdale Cemetery Savanna 0210 III 18.03

St. Mary's Cemetery Hill Prairie 0206 I, III 14.42

Trivoli Northwest Geological Area 0776 IV 5.56

Wokanda Camp 0212 I 35.80



Perry

Behre Bluff 0095 I 55.50


Harris Lake 1959 I 131.46

Lake Pinckneyville Woods 0093 I 28.33

Pin Oak Flatwoods 0094 I 144.32

Timpner Pond 0091 I 92.61



Piatt

Heartland Pathways 1724 II 54.71

Lake Fork Forest 1901 I 39.37

Lodge Park 0018 I 184.56

Mahomet Botanical Area 1428 II, III 27.77

Mansfield Botanical Area 1707 II 20.82

Monticello's Sangamon River 1751 III 143.20

Robert Allerton Park 1043 I, II, III 2,524.77




Pike

29


Aberdeen School Geological Area 0781 IV 19.61

Atlas South Geological Area 0779 IV 12.94

Brewster Hill Prairie 0217 I 10.11

Brown Branch Hill Prairie 0136 I, II 4.28

Burns Springs 1281 II, VI 2,216.98

Cash Island Bed 1588 II, VI 57.77

Cincinnati Landing Site 1276 II 162.02

Cottel Island Bed 1694 II, VI 6.25

Crider Island Bed 1589 II, VI 27.59

Del Air Area 1279 II 1,574.16

Drift Island 0214 I 649.68

Fishhook Creek Area 1282 II 2,272.80

George Smith Bed 1652 VI 1.75

Gosline Access Bed 1641 II, VI 6.99

Grand Pass Bed 1653 VI 1.98

Grubb Hollow Prairie 0107 I, II, III 51.03

Hadley - McCraney Bed 1650 II, VI 11.30

Hadley Creek 1476 VI 40.39

Hill Creek Bed 1651 VI 4.47

Housen Hill Prairie 0127 I, II 46.91

Jimtown Branch Geological Area 0460 IV 11.40

Kinderhook Hill Prairie 0115 I, II 5.24

Kiser Creek Hill Prairie 0119 I 7.34

Little Blue Creek Mussel Bed 1606 VI 4.60

Lower Hickory Chute Bed 1590 II, VI 12.16

McCoe Lake Bed 1654 VI 3.66

McCraney North Geological Area 0780 IV 14.00

McFarland Hill 1839 III 97.13

Montezuma Mussel Bed 1607 VI 6.64

Motley Hill Prairie 0120 I, II 5.29

Murphy Bay Bed 1655 VI 4.94

North New Canton Hill Prairie 0116 I, II 12.83

Old Refuge Island Bed 1728 VI 2.17

Pearl Limestone Quarry 0783 II 14.98

Pearl Prairie Geological Area 0782 IV 14.73

Pencil Island Bed 1708 VI 2.11

Pilot Knob Limestone Glade 0118 I, III 137.10

Pin Oak Lake 0108 I, III 307.58

Pleasant Hill Hill Prairie 0215 I 5.17

Quincy Junction Bed 1863 VI 14.03

Shewhart Hollow Hill Prairie 0114 I, II 15.04

Sprague Hill Prairie 0121 I, II 3.14

Twin Culvert Cave 0784 I, III 17.30

Walnut Grove Hill Prairies 0135 I, II 30.02

Woods Lake Bed 1656 VI 3.16



Pope

Abbot Geological Area 0484 IV 8.16

Bell Smith Springs 1033 II 540.09

Big Grand Pierre Creek 1523 VI 73.35

Big Grand Pierre Site 0369 I, II 836.17

Brownfield Bluff 0806 I, II 5.43

Burke Branch 1022 I, II 332.87

Caney Branch Glade 0790 I 46.54

Cave Spring Cave System 0984 I, II 1,169.53

30


Clear Lake 0813 I 40.66

Copperous Branch Hill Prairie 1028 I, II 23.25

Cretaceous Hills 0945 II, III 445.92

Crow Knob 1477 I 23.10

Culley Barrens 1704 I, III 50.75

Dean Cemetery East Barrens 1190 I, II 30.09

Dog Creek Barrens 1186 I, II 87.34

Double Branch Hole 0792 II 214.60

East Fork Botanical Area 0807 II 0.28

Eddyville East Botanical Area 0334 II 0.53

Flick Hill 0335 I 17.84

Frieze Cave 0819 I 26.26

Gibbons Creek Barrens 0339 I, II 277.56

Gyp Williams Hollow 1027 I, II 306.75

Hayes Creek Sites 0793 II 97.88

Herman Hill Site 1194 II 290.70

Homberg Spring 0338 II 0.35

Jackson Hole 1478 I, III 169.99

Jackson Hollow 1018 II 273.55

Kickasola Cemetery Barrens and Seeps 1479 I, II 71.74

Klondike Spring 0809 I, II 147.97

Leisure City Glade 0808 I, II 4.44

Lewis Estate 0075 I, II 331.62

Lewis Estate North 0739 I, II 401.28


Lusk Creek 0485 II, III, VI 138.37

Lusk Creek Canyon 1057 II, III 369.35

Lusk Creek North 0816 II 1.75

Manson Ford 1196 II 31.10

Martha's Woods Site 0791 II 12.54

Massac Tower Springs 0811 II 45.03

Millstone Bluff 0789 I 160.54

Old Zion Cemetery Geological Area 0818 IV 5.19

Pine Hollow 1019 I 386.97

Pleasant Valley Hill Prairie 0803 I 4.52

Poco Cemetery Barrens East 1189 I, II 44.26

Poco Cemetery Barrens North 1480 I, II 29.11

Reddick Hollow 0336 II 4.63

Robnett Creek Barrens 1188 I, II 72.75

Round Pond 0812 I, II, III 648.00

Sand Cave 1020 I, III 73.55

Simmons Creek - Hurricane Hollow Area 1193 II 142.22

Snow Springs 0847 II 1.14

Spivey Valley Glade 1526 I, II, III 21.34

Sulphur Springs Area 0817 II 0.21

Teal Pond 0814 II 0.18

Werner Tract 0337 I, II, III 9.17



Pulaski

Britten Spring 0820 II 41.53

Chestnut Hills 0944 II, III, IV 738.00

Conant Sites 1199 II 429.07


Mounds West Geological Area 0487 IV 9.43

Ohio River - Hillerman 1185 II 152.67

31


Olmsted Geological Area 0822 IV 6.09

Post Creek Cutoff Geological Area 0486 IV 2.69

Post Creek Cutoff Site 1200 II 59.98



Putnam

Clear Creek Forest 1133 II 195.99

George S. Park Memorial Woods 0096 III 80.80

Hennepin Hopper Lakes 0825 I, II, III, VI 2,549.97

Magnolia Hill Prairies 0824 I 67.99

Miller - Anderson Woods 0382 I, II, III 488.31

Mt. Palatine Cemetery Prairie 1542 III 1.72



Randolph

Castle Rock - Randolph County 0826 II 1.41

Chester South Geological Area 0489 IV 3.45

Coles Mill Geological Area 0488 IV 2.51

Degognia Canyon 1731 II, III, VI 1,665.89

Demint Prairie/Prairie Du Rocher Herpetological Ar 0938 I, II, III, IV 479.86

Mississippi River - Mudds Landing 1307 II 4,132.00

Modoc Northwest Geological Area 0830 IV 3.57

Piney Creek Ravine 0347 II, III 207.82

Prairie Du Rocher - South 0099 I, II, III 117.12

Reily Lake Area 1310 II 164.72

Rockcastle Creek Area 0828 I, II, III 130.61

Sparta Site 1311 II 1.30

Swayne Hollow 0827 II 213.21



Richland

Big Creek Woods 0101 II, III 38.71



Prairie Ridge - Jasper County 0601 II, III 30,090.84



Rock Island

Black Hawk Forest 0140 I, III 101.23

Fawks - Illiniwek Forest 0942 I, II, III 705.47

Gorham Hill Prairie 0219 I 9.98

Indian Bluff Hill Prairie 0139 I, II 2.25

Loud Thunder Forest Preserve 1294 II 3.05

McNeal Marsh 0220 I 47.50

32


Milan South Geological Area 0490 I, III, IV 22.12

Mississippi River - Andalusia Slough 1456 II 8,105.46

Mississippi River - Cordova 1296 II, VI 2,165.17

Mississippi River - Moline 1295 II 2,323.69

Mississippi River - Muscatine 1297 II 5,188.06

Nussbaum Prairie 0218 I 44.31

Pearsall Sand Prairie 0141 I 12.32

Port Byron Bed 1865 VI 6.47

Port Byron Geological Area 0831 IV 12.18

Rock River - Carr Island 1292 II 506.72

RockIsland034 1846 I 13.17



Saline

Bernett Woods 0102 I 27.14

Cave Hill 0243 I, II 1,097.45

Garden of the Gods 0244 I, IV 125.13

Hart Woods 0103 I 17.81

Horseshoe Geological Area 0841 III, IV 3.41

Krigia Flats 1457 I, II 34.01


Mitchellsville Swamp 1822 I 55.82

North Fork Saline / Saline River Equality Segment 1889 II, VI 64.50


Old Stone Face - Dennison Hollow 0839 I, II 735.34

P & E Refuge 1753 III 34.09

Reid's Chapel Bluffs 1481 I, II 155.44

Ridgway Tract Post Oak Woodland 1632 I 22.12

Rocky Branch Battle Ford Creek 1202 II 65.02

Saline River Geological Area 0840 IV 1.06

Sally Hollow 1770 III 182.63

Wamble Mountain 0346 I 16.26



Sangamon

Carpenter Park 0044 I, III 369.16

Sangamon River - Richland Creek/Petersburg Segmen 1522 VI 233.96

South Fork Sangamon River 1524 III, VI 95.04



Schuyler

Browning Woods 0367 I 152.63

Camden Shrub Swamp 1929 I 40.72

Frederick Landing Bed 1686 VI 25.54

Frederick Road Site 1284 II 14.06

La Moine River 1458 VI 122.15

Lower LaMoine Confluence Floodplain Forest 1869 I 155.13

Mill Creek Geological Area - B 0491 IV 44.91

33


Sanganois Landing 1286 II 11.69

Scab Hollow 1287 II 54.02

Schuyler025 1810 I 5.31

Sugar Creek Site 1285 II 19.42

Weinburg - King Natural Area 0246 I, III 124.90



Scott

Burns Springs 1281 II, VI 2,216.98

Coon Run Creek Bed 1657 VI 3.14

Florence Bridge Bed 1658 VI 4.68

Griggsville Landing Bed 1659 VI 4.38

Kincaid Cemetery Prairie 1729 I 1.53

Mauvaise Terre Creek Bed 1660 VI 4.10



Shelby

Harmon Cemetery Site 1135 II 19.23

Kaskaskia Hill Prairie 1560 I 4.30

Kaskaskia River 1459 II, VI 314.27

Lone Point Hill Prairie 1960 I 1.09

Margaret Guzy Pothole Wetlands 1749 III 156.37

Sullivan Woods 0077 I 33.97

West Branch 1482 VI 30.68



St. Clair

Alorton Thicket 1312 II 2.64

Baer Brothers Woodlot 0026 I 25.93

DesPain Wetlands 1609 II, III 162.04

Dupo Prairie 0237 I, III 9.82

Eagle Park Marsh 1305 II 101.13

Fairmont City Site 1313 II 33.26

Falling Spring 0838 I 787.54

Fayetteville Floodplain Forest 1931 I 64.74

Floraville Geological Area 0837 IV 3.47

Freeburg Rod and Gun Club Woods 0029 I 91.99

Freeburg Woods 0239 I, III 276.43

Jackson Slough Woods 0242 I, II, III 203.91

Julius J. Knobeloch Woods 0024 I, III 40.24

Lively Branch Woods 0307 I 63.34

Marissa Woods 0236 I, III 27.62

New Athens Woods 0833 I, III 320.40

Silver Creek Shrub Swamp 0025 I 56.12

Silver Creek Woods 0834 I 138.63

Stemler Karst Area 0835 I, II, III, IV, VI 4,539.10

Sugar Loaf Hill Prairie 0238 I, III 87.95

Wagon Lake 0308 I, III 140.61

34




Stark

Harper's Woods 0137 I, III 52.70

Walnut Creek La Fayette Reach 1946 VI 26.52



Stephenson

Afolkey Road Prairie 0845 I 1.43

Dakota Prairie 0843 I, III 3.19

Freeport Prairie 0844 I, II, III 6.94

Freeport Southeast Geological Area 0846 IV 32.79

Fricke Fen and Sedge Meadow 1722 I 31.41

Pecatonica River Damascus Landing Reach 1890 II, VI 64.33

Pecatonica River Winslow Reach 1891 II, VI 36.95

Stephenson004 1847 I 5.30

Yellow Creek Bolton Reach 1898 II, VI 24.06

Yellow Creek Freeport Segment 1899 II, VI 65.48



Tazewell

Caterpillar Hill Prairies 0134 I 9.96

Clear Lake Rookery 1064 II 1,593.71

Cooper Park North 1139 II, III 96.44

Dirksen - McNaughton Woods 1741 III 836.46

Farm Creek Geological Area 0852 IV 2.05

Fondulac Seep 0851 I, III 19.48

Fort Creve Coeur Hill Prairie 0133 I, III 27.39

Green Valley Site 1136 II 1,090.06

Independence Park Woods 1825 III 264.11

Indian Creek Woods 0130 I, III 32.70

Log Cabin Hill Prairie 0129 I, III 8.64


Manito Prairie 0131 I, II, III 31.94

McCoy Woods 0132 I, III 40.78


Neumann Park Hill Prairie 1934 I 0.29

Parklands Site 1138 II, III, IV 649.24

Spring Lake Seeps 0850 I, II 211.22

West Fork Sugar Creek - Minier/Morgan Bridge Segm 1629 VI 39.03

Worley Lake Area 1137 II 419.50



Union

Atwood Ridge 1046 I, II 1,002.39

35


Bald Knob Forest and Geologic Area 0862 I, IV 121.63

Berryville Shale Glade 0854 I, III 84.17

Brown Barrens 0855 I, III 31.21

Cache River Mt. Pleasant Reach 1902 II, VI 24.13

Cave Spring Cave 0876 I 246.96

Clear Creek 0877 I, II 1,435.77

Cooper Creek Hollow Mine 1460 II 10.33

Cypress Pond 0062 I, III 501.07

Dongola North Geological Area 0857 IV 5.22

Draper's Bluff 0967 III, IV 682.07

Dutch Creek Chert Woodlands 1484 I 154.48

Giant City State Park Geological Area 0861 IV 13.22

Goreville Interchange Geological Area 0440 IV 10.74

Guthrie Cave 1021 I, III 144.72

Hickory Bottoms 1965 II 172.89

LaRue - Pine Hills Research Natural Area 1079 I, II, III, VI 4,420.99

Lick Creek Geological Area 0860 IV 14.31

McClure Shale Glade 0859 I, III 78.06

Open Pond 0853 I 42.67

Orchard Glade 1961 I 7.56

Ozark Hill Prairies 0509 I, II 469.62

Ozark Hills 0856 II, III 236.02

Rich's Cave System 0863 I, II 105.31

Roaring Spring Area 0878 I, II 59.01

Rocky Comfort Woods 1962 I 41.73

Union County State Conservation Area 1208 II 327.03

Weaver's Woods 0858 I 29.13



Vermilion

Camp Drake 0104 I 4.76

Craver's Seep 1627 I 5.40

Doris Westfall Prairie Restoration 1587 I-R, III 43.87

Edgewood Farm 1742 III 147.50

Fairchild Cemetery Savanna 1073 I, III 3.30

Forest Glen Seep 0879 I, II, III 24.63

Harry "Babe" Woodyard State Natural Area 1534 II, III 1,161.08

Horseshoe Bottom 1540 III 91.97

Jordan Creek of the North Fork 1638 III 46.20

Kennekuk Cove County Park 1142 II 851.07

Kennekuk Seep 1930 I 1.89

Kickapoo Hill Prairie 1817 I, III 37.09

Kinney's Ford 1511 I, II, III 793.96

Little Vermilion River 1140 II, III, VI 1,227.00

Middle Fork Seeps 1512 I 19.79


Middlefork Ephemeral Ponds 1955 II 318.65

Middlefork Woods 0810 I, II, III 90.06

North Fork Vermilion River 1141 II, III 325.28

Orchid Hill 0805 III 147.45

Pellville Cemetery 1420 I 1.09

Rock Cut Road Botanical Area 1718 II, III 50.55

Russell M. Duffin Natural Area 0041 II, III 217.33

Salt Fork Vermilion River Segment 1427 II, III, VI 609.34

Vermilion River - Wabash Drainage Danville Segmen 0495 II, VI 265.61

Willow Creek Seep 0023 I, III 30.08

36


Windfall Prairie 0804 I, II, III 58.64



Wabash

Ankendbrand Forest 1791 I 29.26

Beall Woods 0940 I, II, III 373.79

Jimtown Mussel Bed 1611 II, VI 149.55

Little Rock Farm 0368 I 35.05

Marjorie J. Brines White Oak Woods 0042 III 10.02

Schuh Bend Island Mussel Bed 1612 II 66.76




Warren

Cedar Creek Little York Reach 1882 II, VI 19.40

Massasauga Prairie 0113 I, II, III 78.20

Spring Grove Cemetery Prairie 0864 I, III 1.10



Washington

Acorn Acres 1610 I, III 24.61

Big Open Woodland 1598 I, II, III 245.94

Bohbrink Woods 0868 I, III 21.43

Johnson Woods 0870 I 74.36

Kaskaskia River - Carlyle 1514 III, VI 524.19

Kemper Woodland 1900 I 30.40

Posen Woods 0867 I, III 37.21

Sipple Slough Woods 0866 I, II, III 224.80

West End Sportsman's Club Woods 0865 I, III 280.81

Wieland Woods 1772 III 20.26

Williams Creek Woods 0869 I 78.25



Wayne

Brush Creek Crisp Reach 1880 II, VI 12.94

Dry Fork Woods 0871 I, III 20.94


Mt. Erie Springs 1048 I 6.34

Padgett Pin Oak Woods 1755 III 146.11

Skillet Fork - Gettins/Rock Bluff Segment 1780 VI 85.47



37


White

Brushy Slough 1327 II 501.09

Bull Island Mussel Bed 1613 II 83.82


Skillet Fork Springerton Reach 1926 VI 34.42

Wabash River 1157 II 2,355.27

Wabash River - Lost Lake 1326 II 217.57



Whiteside

Berridge Sedge Meadow 1949 I 2.84

Clyde Cemetery Prairie 0875 I 1.35

Coon Creek 1461 II 66.18

Deer Grove Prairie 1830 I 11.70


Foley Sand Prairie 0683 I, III 16.33

Hahnaman Sand Prairie 1845 I, II, III 45.13

Lyndon - Agnew Railroad Prairie 1075 I, III 44.55

Mississippi River - Cordova 1296 II, VI 2,165.17

Prairie Trails 1104 II, III 62.39

Rock River Prophetstown Segment 1895 II, VI 406.10

Rock River Sterling Rock Falls Segment 1897 II, VI 997.23

Sandy Town Cemetery Prairie 0880 I, II 4.01

Thomson - Fulton Sand Prairie 1023 I, II, III 313.86

Wheelock Railroad Prairie 1074 III 7.03



Will


Blodgett Road Dolomite Prairie 1513 II, III 451.69

Braidwood Dunes and Savanna 0935 I, II, III 424.12

Des Plaines Dolomite Prairie 0889 I, II, III 237.40

Forked Creek Wilmington Reach 1914 II, VI 46.47

Godley Railroad Prairie 0898 I 3.77

Goodenow Grove 1485 II, III 605.83

Goodwin Forest 1814 I 36.98

Grant Creek Prairie 0888 I, II, III 208.44

Hickory Creek Barrens 1636 III 558.26

Hickory Creek Sedge Meadow 0886 I 32.51

Hitts Siding Prairie 1047 I, II, III 350.76

Illinois River - Dresden 1438 II 893.08

Joliet Army Ammunition Plant 1369 II 5,741.44

Kankakee River Nature Preserve Addition 0903 I, III 131.12

Kankakee River Segment 0980 II, III, VI 3,639.39

Lake Renwick East 1748 III 141.25

Lake Renwick Heron Rookery 1060 II, III 325.91

Lockport Prairie 0932 I, II, III 270.14

Lockport Prairie East 0883 II, III 141.02

Long Run Seep 1039 I, II, III 92.34

Manhattan Creek 1462 VI 23.51

Markgraf Quarry 0893 IV 4.31

38


Material Services Prairie 0881 I, II 71.23

Messenger Woods 0884 I, III 447.10

Moeller Woods 1815 I 106.87

Monee Railroad Prairie 0901 I 2.12

Mound Road Botanical Area 1370 II 1.83

Munch Area 0902 I, II, III 278.97

O'Hara Woods 1372 II, III 79.92

Peotone Railroad Prairie 0900 I 0.62

Pilcher Park 0937 I 404.57

Plaines Station Geological Area 0892 IV 3.48

Raccoon Grove 0887 I, III 227.05

Rock Run 1757 III 158.76

Rock Run Botanical Area 1371 II 3.66

Rockdale Geological Area 0897 IV 3.79

Rockdale Railroad Prairie 1082 II 5.86

Romeoville Prairie 0936 I, II, III 213.45

Schweizer West Geological Area 0891 IV 2.59

Theodore Street Marsh 1486 II, III 259.70

Thorn Creek Woods 0933 I, III 893.68

Vermont Cemetery Prairie 1080 I, III 1.08

Wilmington Geological Area 0895 IV 2.08

Wilmington Shrub Prairie 0934 I, II, III 179.44

Wilmington West Geological Area 0896 IV 54.61



Williamson

Cambria Neck 0905 II 0.13

Colp Bottoms 0906 II 14.88

Delta Mine Geological Area 0907 IV 29.38

Grisley Forest 1870 I 38.56

Grisley Woods 1968 III 112.52

South Fork Saline River 1211 II 20.16

Sugar Creek - Saline Drainage 1210 II 24.45



Winnebago

Bell Bowl Prairie 0916 I 4.88

Burr Oak Road Prairie 1464 II, III 19.57

Durand Southeast Geological Area 0926 IV 11.39

Hamborg Railroad Prairie 1042 I, II, III 10.91

Harlem Hills 0918 I, II, III 95.92

Hartley Memorial Forest Preserve 0909 I, III 37.41

Johns Mound Group 1854 III 17.84



Laona Heights Forest Preserve 0908 I, III 19.45

Pecatonica Bottoms 0910 I, III 59.66

Pecatonica River Harrison Reach 1906 II, VI 80.51

Plum Grove 1544 III 19.96

Rock River Rockford Segment 1896 II, VI 869.60

Rockton Bog 0917 I, II, III 68.51

Schafman Prairie 1038 III 4.30

39


Searls Park Prairie 0920 I, II, III 132.74

Severson Dells 0931 III 414.41

Shirland Railroad Prairie 0994 I 1.75

Silver Creek Prairie 0915 I, II, III 7.09

South Ledges of Kinnikinnick Creek 1025 II, III 41.67

Stone Bridge Reserve 1841 III 25.03

Sugar River 1466 I, II, III, VI 3,243.89

Sumner Prairie 0923 II, III 19.99

Willow Creek 1620 II 141.92

Winquist Prairie 0914 I, II, III 2.04



Woodford

Black Partridge Park Woods 1738 III 294.16

Blalock Creek Site 1143 II 9.01

Caterpillar Hill Prairies 0134 I 9.96

Crow Creek Bluff Forest 1624 II, VI 202.52

East Branch Panther Creek El Paso Reach 1937 VI 13.15

Letcher Basin 1852 III 172.35


Mackinaw River Hill Prairie 0250 I, III 11.52

Mackinaw River Hill Prairie South 1933 I 2.69

Partridge Creek Hill Prairies 1935 I 4.31

Ridgetop Hill Prairie 0249 I, III 23.76

Spring Bay Fen 0928 I, II, III 54.29

West Branch Panther Creek Roanoke Reach 1948 VI 16.56



40

Documents

Illinois Natural Areas Inventory (INAI) sites by County · Illinois Natural Areas Inventory (INAI) sites by County June 2018 INAI Category Descriptions: Cat. I = High quality natural