Troy Mine Montanore ProjectCabinet Mountains Wilderness Kootenai National Forest Proposed Rock Creek Mine Montanore Project Lincoln county Sanders county 0 10 20 miles Kalispell Detail

2

200

56Libby

Noxon

Troy Mine

Cabinet Mountains Wilderness

Kootenai National Forest

Proposed RockCreek Mine

Montanore Project

L i ncolncounty

Sanderscounty

0 10 20 miles

Kalispell

Detail area shown above

Great Falls

Missoula

HelenaHamilton

M o n t a n a

Figure 1. Location Map, Montanore Project, Kootenai National Forest.

TT

T

T

T

TT

T

Li b by Creek

Big C

herr

y C

reek

Smearl Creek

Leigh Cre ek

Snowshoe Creek

Big Cherry Creek

Bear Creek

Cable Creek

Bear Creek

Poorman Creek

Ramsey Creek

Libby

Cre

ek

West Fish er Creek

Swam

p C

reek

Silve

r Butte F

isher River

Fisher River

Fishe

r R

iver

Miller Cre ek

Schreiber Creek

Howard CreekHoward

Lake

Swam

p Creek

LeighLake

Clark Fork

NoxonReservoir

Cabinet GorgeReservoir

LIBBY State Highway. 37

278

U.S. 2

231

LINCOLN

COUNTY

SANDERS

COUNTY

McDonaldMtn.

AlaskaPeak

Cable Mtn.

Shaw Mtn.

ElephantPeak

St. PaulPeak

ChicagoPeak

Rock Peak

RockLake

WanlessLake

RamseyPlant Site

LAD Areas 1 and 2

Midas

Creek

Little CherryCreek

TailingsImpoundment

Site

North Miller Creek 230-kVTransmission

Line

CabinetMountainsWilderness

LibbyLoadoutFacility

AccessRoad

Libby Adit Site

LINCOLNCOUNTY

SANDERSCOUNTY

Adits

Ore Body

LittleCherryCreek

NOXON

River

Kootenai River

Sedlak ParkSubstation

Rock LakeVentilation Adit

Rock

Creek

Eas

t Fork

Rock Creek

West Fork Roc k C

reek

Figure 2. Location of Montanore Project Facilities, Alternative 2

±0 2 4

Miles

T

T

T

T

T

!

ExistingLibby Adit

Ore Body

Libby

Cre

ek

LibbyAdit Site

St. PaulLake

RockLake

St. PaulPeak

RockPeak

ElephantPeak


ShawMountain

UpperLibby Adit

Option #2Libby Intake


Upper LibbyAdit Site


ChicagoPeak

LibbyLakes

East Fork

Rock Creek

East Fork Bull River

Ramsey Creek

New LibbyAdit

0 1,750 3,500

Feet ±Figure 32. Previous and Proposed Groundwater Dependent Ecosystems Inventory Areas, Alternatives 3 and 4

Proposed Groundwater DependentEcosystems Inventory AreaPrevious Groundwater DependentEcosystems Inventory Area

Permit Area Boundary

Cabinet Mountains Wilderness Boundary

Swam

p C

reek

U.S. 2

Figure 34. Potential Swamp Creek Wetland Mitigation Site, Alternatives 3 and 4

±0 500 1,000

Feet

Potential WetlandMitigation SitePrivate Land

Libby Creek

Libby

Swamp Creek

Big

C

herr

y C

reek

U.S

. 2

278

231

Areaof Map

Kootenai River

T

T

T

T

T

TT

T

Libby Creek

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

U.S. 2

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

WanlessLake

Midas

Creek

PoormanImpoundment Site

(Alt. 3)

West Fisher Creek(Alt. E)

AccessRoad

Miller Creek(Alt. D)

Modified North Miller Creek

(Alt. C)

Existing BPATransmission Line

CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek

Silver Butte Fisher River

Big C

herry

Cr

eek

Cherry

Bear CreekLittle Cherry CreekImpoundment Site

(Alt. 4)

Libby Plant Site(Alts. 3 and 4)

Libby Adit Site(Alts. 3 and 4)

Alaska Peak

Upper Libby Adit Site(Alts. 3 and 4)

Rock LakeVentilation Adit(Alts. 3 and 4)

Saint PaulLake

Littl

e

4776B

6209E6787

B14442

6205D

6702

6701

150A/935

6200

6214

231

4776F

4776C

4776A

4778

6745

5192A

5192

4778E

6200D

6200

F

6200E

6214F

2316

4778C14458

Section of 4725 closedfor Alts. D and E only

Section of 4725 closedafter construction for Alt. C

and before constructionfor Alts. D and E

East F

ork Rock Creek

Rock PeakChicago Peak

Elephant Peak

ShawMountain

Cable Mountain

Saint Paul Peak

McDonaldMountain

2317

4781

4725

2316

BMU 5

BMU 2

BMU 6

BMU 7

Implemented Prior to Evaluation PhaseCurrently Open Road to RestrictedYearlong by BarrierSeasonally Restricted by Gate Due toSnowplowing Access for Libby AditCurrently Restricted Yearlong by Gate toRestricted Yearlong by BarrierCurrently Restricted Yearlong by Gate -Barrier and Convert to Trail

Implemented Prior to Mine Construction PhaseCurrently Open Road to RestrictedYearlong by Barrier or GateCurrently Restricted Seasonally by Gateto Restricted Yearlong by BarrierCurrently Restricted Yearlong by Gate toRestricted Yearlong by BarrierCurrently Restricted Yearlong by Gate -Barrier and Convert to TrailOther Road

BMU Boundary

Generalized Mine Facility Location

Transmission Line Alternative

Cabinet Mountains WildernessBoundaryCounty Boundary

Figure 35. KNF Proposed Road and Trail Access Changes for Wildlife Mitigation, Alternatives 3, 4, C-R, D-R, and E-R

±0 5,000 10,000

Feet

!!

!!

!

!

!!

!

!

!

!

!

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!

!

!

!

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!

!!!!!!!!!!!!!!

!!

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!!

!

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!!

!!!!!!

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!!

!

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!

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!

!

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!

!

!!!!!

!

!

!!

!!!

!

!!

!

!


ALT. BNorth MillerCreek

HowardLake

Ramsey Creek

Libb y C

reek Fish

e r

Riv

er

West Fisher C

reek

231

U.S. 2

Ramsey PlantSite Substation


Midas Creek

Howard Creek

Poorman Creek

Smoke Creek

Miller Creek

Pleasant

Valley Fis her Rive

r


Trail Creek

Fourth of July C reek

Bramlet CreekMi ll

Cre

ek

West Fisher Creek

Swamp Creek

Standard Creek

Lake Creek

Hunter Cree k

Unnamed Tributary

CABINETMOUNTAINS

WILDERNESS

LINC

OL N

CO

UN

T Y

SAN

DER

SC

OU

NT Y

CABINETMOUNTAINS

WILDERNESS

456

234

3

9

9

24

1

9

7

8

8

3

8

9

15

9

8

7

9

6

7

7

43 2 1

5

8

11

11

11

11

15

34

14

22

8

23

16

33

21

13

36

36

1415

35

24

29

32

2320

13

35

18

10

33

12

16

34

21

33

13

26

10

28

24

16

25

12

17

28

32

14

29

22

27

21

15

10

17

20

17

12

16

27

10

28 26

31

30

25

19

1818

19

31

30

12

5

16

10

17

56

15

4

22

27

18

34

3

10

2

14 1315

1

16

32

15

6

29

20

5

17

4

17

3

242322212019

Swamp Cree k

Raven Creek

R. 31 W. R. 30 W. R. 30 W. R. 29 W.T.

26

N.

T. 2

7 N

.

T. 2

6 N

.T.

27

N.

0 2,500 5,000

Feet ±Figure 41. North Miller Creek Alignment,

Structures, and Access Roads, Alternative B

! Structure

Centerline

Private Land

New Access Road

Existing Closed Road Used for Access

Existing Open Road Used for Access

200-foot Elevation Contour

100’ Right of Way

Embedded10% pole height + 4’

Embedded10% pole height + 4’

Typical Tree Clearing Width (~150’)

12’Road

12’Road

Ground Level

Ground Level

150’ Right of Way

Typical Tree Clearing Width (~200’)

80-150’(110’ average)

75-100’(85’ average)

Monopole Structure

H-Frame Structure

20 40Feet

0Note: most shrubs would not requireclearing on either structure type.

Figure 43. Transmission Line Right-of-Way and Clearing Requirements

hg

hg

hg

hg

hg

hghg

hg

hg

hg

hg

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!!!!!!!!!!!!

!

!

!!!!!!!!!!!!!!!!

!

!

!!

!

!!

!!

!!

!!!

!

!

!

!

!!

!

!!

!

!

!

!

!

!

!

!!

!

!

!!

!

!!

!

!!

!

!!

!!

!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!!!!!!!!!!!!

!!

!!!

!!

!!!

!!!

!!

!!

!!

!!!!

!!!!

!!

!

!!

!!

!!

!!

!!

!

!!

!

!!

!

!!

!

!!

!!

!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!!!!!!!!!!!!

!!

!!!

!!

!!!

!!!

!!

!

!

!

!

!

!!

!

!

!

!

!!

!!

!

!!

!

!!!!!!

!!

!

!!

!!!!!!!


ALT. C-RModified NorthMiller Creek

ALT. D-RMiller Creek

ALT. E-RWest FisherCreek

HowardLake

Ramsey Creek

Libb y C

reek Fish

e r

Riv

er

West Fisher C

reek

231

U.S. 2


Libby Plant SiteSubstation

Poorman Creek

Howard Creek

Midas Creek

Swamp Creek

Smoke Creek

Ple asant

Valley Fisher

River


Standard Creek

Lake Creek

Hunter Cree k

Miller Creek

Unnamed Tributary

CABINETMOUNTAINS

WILDERNESS

LINC

OL N

CO

UN

T Y

SAN

DER

SC

OU

NT Y

CABINETMOUNTAINS

WILDERNESS

456

234

3

9

9

24

1

9

7

8

8

3

8

9

15

9

8

7

9

6

7

7

43 2 1

5

8

11

11

11

11

15

34

14

22

8

23

16

33

21

13

36

36

1415

35

24

29

32

2320

13

35

18

10

33

12

16

34

21

33

13

26

10

28

24

16

25

12

17

28

32

14

29

22

27

21

15

10

17

20

17

12

16

27

10

28 26

31

30

25

19

1818

19

31

30

12

5

16

10

17

56

15

4

22

27

18

34

3

10

2

14 1315

1

16

32

15

6

29

20

5

17

4

17

3

242322212019

0 2,500 5,000

Feet ±! Structure

! Helicopter Constructed Structure

hg Helicopter Landing Site

Logging by Helicopter

Centerline

Private Land

New Access Road

Existing Closed Road Used for Access

Existing Open Road Used for Access


Figure 44. Transmission Line Alignment,Structures, and Access Roads,

Alternatives C-R, D-R, E-R

Trail

Creek

Fourth

of

July Creek

Bramlet CreekMill

Cre

ek

West Fisher Creek

Swamp Creek

Ra

ven Cre ek

R. 31 W. R. 30 W. R. 30 W. R. 29 W.T.

26

N.

T. 2

7 N

.

T. 2

6 N

.T.

27

N.

T

T

T

T

T

TT

T

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey C

reek

Libby

West Fisher Creek

Swam

p C

reek

Miller Creek

HowardLake

Swam

p Cr ee

kLeighLake

NoxonReservoir

CabinetGorge

Reservoir

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

AlaskaPeak

St. PaulPeak

ChicagoPeak

RockPeak Rock

Lake

WanlessLake

Midas

Creek

CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek

Little C

herry

Bear Creek

McDonaldMountain

CableMountain

ShawMountain

ElephantPeak

CABINETMOUNTAINS

WILDERNESS

Creek

State Hw

y 200

OreBody

Clark Fork

River

Silver

Butte Fisher River

Bram

let Creek

4th of July C

reek Lake Creek

150

Crazym an Creek

Hoodoo

C

reek

Standard Creek

State H

wy 56

East Fork R

ock CreekW

est Fork Rock Creek

Rock C

r eek

Swamp Creek

Howard Creek

McKay Creek

21

19

11A

Sm

LM

14A

LC

UM

LB

McK

LS

12

LH

PM

US

Lib

10A

UB

Ram

Craz

Cab

UH

15A

Figure 46. Plant and Impoundment Sites Evaluated in the Initial Screening

±0 7,500 15,000

Feet

Plant Site

Impoundment Site

Source: KNF 1986, and Morrison KnudsenEngineers, Inc. 1988

7

T

T

T

T

T

TT

T

Smearl Cr eek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey C

reekLi

bby

West Fisher Creek

Swam

p C

reek

Miller Creek

HowardLake

Sw

amp C

r eek

LeighLake

NoxonReservoir

CabinetGorge

Reservoir

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

AlaskaPeak

St. PaulPeak

ChicagoPeak

RockPeak Rock

Lake

WanlessLake

Midas

Creek

CABINETMOUNTAINS

WILDERNESS

Snowshoe Cree k

Little C

herry

Bear Creek

McDonaldMountain

CableMountain

ShawMountain

ElephantPeak

CABINETMOUNTAINS

WILDERNESS

Creek

State Hw

y 200

OreBody

Cla rk Fork

River

Poorman

LittleCherry Creek

Silver

Butt

e Fisher River

Crazyman

Crazyma n Creek

East Fork R

ock Creek

West Fork Rock C

r eek

Rock C

reek

Swamp Creek

Howard Creek

McKay Creek

Figure 47. Tailings Impoundment Sites Evaluated in the Detailed Screening

±0 7,500 15,000

Feet

Libby

C

reek

Ram

sey

Creek

MMC's ProposedRamseyPlant Site

DownstreamPlant Site

Libby AditSite 1

UpstreamPlant Site

Lower LibbyPlant Site

Existing LibbyAdit Site

Libby AditSite 2

Libby AditSite 3

Figure 48. Plant Sites Evaluated in Upper Libby Creek for this EIS

0 1,000 2,000

Feet ±

Private LandAvalanche ChuteOld GrowthInventoried Roadless Area

""

""

"

"

"

"

"

"

""

"""

"

""

"

"""""""""

"

"

"


Modified NorthMiller Creek

ModifiedMiller Creek Modified West

Fisher Creek 2

tu2

HowardLake

Ramsey Creek

Lib

by C

reek

Fish

er

Riv

er

West Fish er

Cree

k

231U.S. 2

ModifiedSwamp Creek

Modified WestFisher Creek 1

PorcupineCreek

OlsonCreek

Poorman Creek Midas Creek

Swamp Creek

Smoke Cree k

Raven Creek

Pleasant Valley F

isher R

iver

McGinnis Creek

Si lv

er

Butt

e Fisher River

P o rcupine Creek

East Fish er Creek

Iron Meadow Creek

Trail Creek

Fourth

of July CreekBramlet Creek

Standard Creek

West Fisher Creek

Mill

Cre

ek

McK

ay

Cre

ek

NF Swamp C

reek

Orr Creek

Rock Creek

Rock Cre ek Tributary

Lake Creek

Hunter Creek

Miller Creek

Unnamed Tributary

LINC

OLN

CO

UN

TY

SA

ND

ER

SC

OU

NTY

CABINETMOUNTAINS

WILDERNESS

CABINETMOUNTAINS

WILDERNESS

45 3 126

6

235

4

1

9

7

9

4

2

1

5

4

1

3

6

9

4

7

8

8

3

8

5 3

9

2

1

8

8

5

9

8

7

2

1

9

6

1

7

6

7

6

56

7

4 3 2 1

7

6

7

11

11

11

11

11

11

16 1415

22

13

32

24

13

20

15

34

14

24

17

18

2223

25

36

16

33

21

13

2728

36

36

17

1415

29 25

35

24

29

21

32

2320

13

35

12

26

26

18

21

10

25

25

23

23

26

3334

14

30

12

27

16

12

27

25

34

21

33

12

13

27

26

16

10

29

36

22

28

24

16

25

12

17

24

28

15

32

14

29

24

22

20

28

13

24

13

2928

27

22

21 24

17

29

10

19

26

15

20

10

22

23

17

20

21

17

35

25

20

12

12

16

27

10

14

28 26

13

31

36

10

23

30

25

19

31

181518

19

35

31

30

18

19

19

34

30

12

30

30

18

19

3332

2

31

18

19

30

2

36

31

353433

18

32

36

19

30

32

31

3331

26

34 35

23

14

11

36

3635

35

34

26

23

33

14

11

36 3231

31

35

35

31 32 33 34 35

0 3,500 7,000

Feet ±" Residence/Cabin

Plum Creek Conservation Easement

Private Land

Inventoried Roadless Area

Proposed North Miller Creek Alignment

Alternative Alignment

Road


Figure 49. Transmission Line AlignmentAlternatives Evaluated for this EIS

T

T

T

T

T

TT

T

Libby Creek

Smearl Creek

Big Cherry Creek

Bear Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

West Fork R

ock Creek

Pleasant Valley F

isher R

iver

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

Clark Fork River


U.S. 2

231

RockLake

Midas

Creek

Little Cherry CreekImpoundment Site

(Alts. 2 and 4)

West Fisher Creek(Alt. E-R)


AccessRoad

NorthMiller Creek

(Alt. B)


Bear Creek

SANDERS COUNTY

Littl

e

Cherry Cre

ek

East F

ork R

ock Creek


St. PaulLake

LINCOLN CO

UNTY

State Hwy. 56

Snowshoe Creek

Leigh Creek

CABINETMOUNTAINS

WILDERNESS

Upper LibbyLake

Lower LibbyLake

WanlessLake

BullLake

Bull River

Roc

k C

reek


(Alt. 3)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)


(Alts. 3 and 4)

Libby Adit Site(Alts. 2, 3 and 4)


Ramsey Plant Site(Alt. 2)

Rock LakeVentilation Adit(Alts. 2, 3 and 4)


Miller Creek(Alt. D-R)


(Alt. C-R)

278

State Hwy. 200

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

±0 1.25 2.5

Miles

Riparian Habitat Conservation Area

Other Riparian Area

Surface Water Analysis Area




County Boundary

Figure 53. Riparian Habitat Conservation Areasand Other Riparian Areas in the Analysis Area

Only riparian habitat conservation andother riparian areas in Analysis Area shown.

RHCAs are found only on NationalForest System lands.

T

T

T

T

T

TT

T

Libby Creek

Smearl Creek

Big Cherry Creek

Bear Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

West Fork R

ock Creek

Pleasant Valley F

isher R

iver

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

Clark Fork River


U.S. 2

231

RockLake

Midas

Creek


(Alts. 2 and 4)



AccessRoad


NorthMiller Creek

(Alt. B)


(Alt. C-R)


Bear Creek

SANDERS COUNTY

Littl

e

Cherry Cre

ek

East F

ork R

ock Creek

St. PaulLake

LINCOLN CO

UNTY

Snowshoe Creek

Leigh Creek

Upper LibbyLake

Lower LibbyLake

WanlessLake

BullLake

Bull River

Roc

k C

reek


(Alt. 3)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)


(Alts. 3 and 4)







278

State Hwy. 56

State Hwy. 200

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

±

Bull Trout Critical Habitat

Bull Trout Essential Excluded Habitat

Bull Trout Occupied Stream

Analysis Area




County Boundary

Figure 55. Designated Critical and OccupiedBull Trout Habitat in the Analysis Area Streams

Only designated critical and occupiedbull trout habitat in Analysis Area shown.

0 1.25 2.5

Miles

T

T

T

T

T

T

T

T

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

Smearl Creek

Big Cherry C

reek

Bear Creek

Cable Creek

Poorman Creek

Ramsey C

reek

Libby

Cree

k

Miller Creek

Howard Creek

HowardLake

LeighLake

231

RockLake

Midas

Creek

Bear Creek

Littl

e

Cherry Cree k


St. PaulLake

Snowshoe Creek

Leigh Creek

Upper LibbyLake

LowerLibbyLake

WanlessLake

LB-3000

Roc

k C

reek

Libby Adit Site


St. PaulLake

EFBR-300

HeidelbergAdit

y C

reek

Ore BodyBoundary

Existing LibbyAdit

Existing AditExtended to

Ore Body

LB-500



EFRC-100

EFRC-50

MineWater

AditWater

LB-1500

PM-1200PM-1000

LB-2000

PM-500

LB-100

LB-50

EFBR-500

Rock Lake

Lower LibbyLake

RA-400

West Fisher Creek

East Fork

Rock Creek

EFBR-50

EFRC-300

LB-200

LB-300

EFRC-200

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

# Surface Water Monitoring Location

! Groundwater Monitoring Location

Untreated Water

Treated Water

Percolation to Surface Water via Groundwater

Groundwater Flow

Groundwater Discharge

Estimated Flow in Gallons per Minute

Proposed Groundwater DependentEcosystems Inventory AreaPrevious Groundwater DependentEcosystems Inventory AreaPrivate Land

!

!

#

ExistingAdit and

ExtensionWater

MW07-1

MW07-2

230

Mine Water

30

LB-300

WaterTreatment

Plant

PercolationPond

ExistingMPDES Permit

Outfall 001

Pump BackSump

Libby AditSite

±0 3,500 7,000

Feet

400

Figure 56. Project Water Balance, Evaluation Phase, Alternative 3

Smearl Creek

Big Cherry C

reek

Cable Cree

k

Libby

Cree

k

Miller Creek

Howard Creek

HowardLake

LeighLake

231

RockLake

Midas

Creek

AccessRoad Bear Creek

Littl

e

Cherry Cree k


St. PaulLake

Snowshoe Creek

Leigh Creek

Upper LibbyLake

LowerLibbyLake

WanlessLake

LB-3000

Roc

k C

reek


Upper LibbyAdit Site Libby Adit Site

Libby Plant Site


St. PaulLake

EFBR-300

EFRC-50

HeidelbergAdit

y C

reek

Upper LibbyAdit

Existing LibbyAdit

Option #2Libby IntakeOption #1

Libby Intake


Ore Body

LB-500MW-3

MW-4



Ramsey C

reek

Poorman Creek

MineWater

AditWater

Bear CreekBig C

her

ry C

reek

PM-1000

PM-500

RA-400

LB-100

LB-50

Rock Lake

Lower LibbyLake

EFBR-500

West Fisher Creek

East F

ork Rock Creek

Ore BodyBoundary

EFBR-50

EFRC-100

EFRC-300

PM-1200

LB-200

LB-300

EFRC-200

LB-1500

LB-2000

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

±



Untreated Water

Treated Water


Groundwater Flow


Flow in Gallons per Minute


0 3,500 7,000

Feet

#

!

!

Existing andNew Adits

Water

MW07-1

MW07-2

Mine Water

PercolationPond


Outfall 001

30

450

LB-300

WaterTreatment

Plant

Pump BackSump

Libby AditSite

#

#

#

!

!

!

!

!

!

!

!

Midas C

reek

Cherry Creek


SeepageCollection

Pond

MW-11

MW-10MW-12

MW-9

MW-8

MW-7

MW-6

MW-5

Poorman Creek

Libby Creek

Rock ToeBerm

Lined Start-up WaterStorage Area

Starter Dam

Pump BackWells

20

PM-1200

PM-1000

20

To WaterTreatment

Plant

Waste RockStorage

LB-1500

400

Figure 57. Project Water Balance, Construction Phase, Alternative 3

!!

Smearl Creek

Big Cherry C

reek

Cable Creek

Libby

Creek

Miller Creek

Howard Creek

HowardLake

LeighLake

231

RockLake

Midas

Creek


Littl

e

Cherry Cree k


St. PaulLake

Snowshoe Creek

Leigh Creek

Upper LibbyLake

LowerLibbyLake

WanlessLake

LB-3000

Roc

k C

reek



Libby AditSite

LibbyPlantSite


St. PaulLake

EFBR-300

HeidelbergAdit

y C

reek

Upper LibbyAdit

Existing LibbyAdit




Ore Body

MW-3

MW-4

From Millas TailingsCabinet

MountainsWilderness


Ramsey C

reek

Poorman Creek

EFRC-100

EFRC-50

Bear CreekBig C

herry

Cree

k

1,405

200

170

PM-1200PM-1000

PM-500

RA-400

LB-100

LB-50

Rock Lake

Lower LibbyLake

EFBR-500

West Fisher Creek

East F

ork Rock Creek

Ore BodyBoundary

EFBR-50

EFRC-300

LB-200

LB-500

LB-300

EFRC-200

LB-1500

LB-2000

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

±



Untreated Water

Treated Water


Groundwater Flow




0 3,500 7,000

Feet

#

!

!

MW07-1

MW07-2

Existing andNew Adits

Water

LB-300

WaterTreatment

Plant

PercolationPond


Outfall 001

Libby AditSite

#

#

#

!

!

!

!

!

!

!

!

Cherry Creek


To Mill

Pump BackWells

SeepageCollection

Pond

MW-11

MW-10MW-12

MW-9

MW-8

MW-7

MW-6

MW-5

TailingsWater Pond

Midas C

reekPoorman Creek

Libby Creek

246

1,044PM-1200

PM-1000

LB-1500

400

Figure 58. Project Water Balance, Operations Phase, Alternative 3

!!

Smearl Creek

Big Cherry C

reek

Cable Cree

k

Libby

Cree

k

Miller Creek

Howard Creek

HowardLake

LeighLake

231

RockLake

Midas

Creek


Littl

e

Cherry Cree k


St. PaulLake

Snowshoe Creek

Leigh Creek

Upper LibbyLake Lower

LibbyLake

WanlessLake

LB-3000

Roc

k C

reek



Libby Plant Site


St. PaulLake

EFBR-300

HeidelbergAdit

y C

reek

Upper LibbyAdit

Existing LibbyAdit


Libby Intake


Ore Body

LB-500

MW-3 MW-4

AditsPlugged



Ramsey C

reek

Poorman Creek

EFRC-100

EFRC-50

Bear CreekBig C

herry

Cree

k

West Fisher Creek

PM-1200PM-1000

PM-500

RA-400

LB-100

LB-50

Rock Lake

Lower LibbyLake

EFBR-500

East F

ork Rock Creek

Ore BodyBoundary

EFBR-50

EFRC-300

LB-200

LB-300

EFRC-200

LB-1500

LB-2000

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

±



Untreated Water

Treated Water


Groundwater Flow




0 3,500 7,000

Feet

#

!

!

From ImpoundmentUntil No Longer

Necessary

Existing andNew AditsPlugged

MW07-1

MW07-2

500 LB-300

WaterTreatment

Plant

PercolationPond


Outfall 001

Libby AditSite

#

#

#

(

!

!

!

!

!

!

!

Cherry Creek

To WaterTreatment Plant

Pump BackWells

SeepageCollection

Pond

MW-11

MW-10MW-12

MW-9

MW-8

MW-7

MW-6

MW-5Poorman

Impoundment Site

Midas C

reek

Poorman Creek

Libby Creek

500

246

PM-1200

PM-1000

LB-1500

400

Figure 59. Project Water Balance, Closure and Early Post-Closure Phases, Alternative 3

Smearl Creek

Big Cherry C

reek

Bear Creek

Cable Creek

Poorman Creek

Ramsey C

reek

Libby

Cree

k

Miller Creek

Howard Creek

HowardLake

LeighLake

231

RockLake

Midas

Creek


Littl

e

Cherry Cree k


St. PaulLake

Snowshoe Creek

Leigh Creek

Upper LibbyLake

LowerLibbyLake

WanlessLake

LB-3000

Roc

k C

reek

ReclaimedPoorman

Impoundment Site


ReclaimedRock Lake

Ventilation Adit

y C

reek

Upper LibbyAdit

Existing LibbyAdit


Libby Intake


Ore Body

AditsPluggedSteadyState



ReclaimedLibby Plant Site

West Fisher Creek

East F

ork Rock C

reek

Ore BodyBoundary

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

±



Untreated Water

Treated Water


Groundwater Flow




0 3,500 7,000

Feet

Existing andNew AditsPlugged

ReclaimedLibby Adit

Site

Cherry Creek

ReclaimedPoorman

Impoundment Site

Midas C

reek

Poorman Creek

Libby Creek

400

Figure 60. Project Water Balance, Late Post-Closure Phase, Alternative 3

PoormanImpoundment

Little Cherry CreekImpoundment

Qc

Qgf

Qgl

Qc

Qgf

Qgf Qgl

Qgl

p

p

Qc

Qgf

Qc

Qgl

Qal

Qal

Qgf

Qgf

p

p

p

Bear Creek

Little

Ch

erry

Cree

k

Bear Cree

k

Libb

y C

reek

0 1,000 2,000

Feet ±Figure 64. Geology of the Two Tailings Impoundment Areas

Qal -Qc -Qgl -Qgf -p -

AlluviumColluviumGlaciolacustrine siltsGlaciofluvial gravelsPrecambrian bedrock

Figure 65. Geologic Cross Section of the Little Cherry Creek Tailings Impoundment Site

"

"

"

"

"

E

E

"

E

"

"

E

EE

E

E

E

"

"

"

"

"

E

EE

E

EE

E

E

E

"

E

E

E

E

Smearl C reek

Leigh Cr eek

Snowshoe Creek

Big Cherry Creek

Bear Creek

Cable Creek

Poorman Creek

Ramsey Creek

Libby

C

reek

West Fis her Creek

Swam

p C

reek

Fishe

r R

iver

Miller Cr eek

HowardLake

LeighLake

Clark Fork River

NoxonReservoir


278

231

RockLake

AccessRoad

Big

C

herry

C

reek

Bear Cr eek

SANDERS

COUNTY

Li ttle Ch e rry Creek

U. S . 2

Sw

amp C

reek

LINCOLN

COUNTY

SANDERS COUNTY

LINCOLN COUNTY

Bull River


(Alt. 3)



NorthMiller Creek

(Alt. B)


(Alt. C-R)

Existing BPATransmission line


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)



RamseyPlant Site

(Alt. 2)



Lib by Creek

Silver Butte F

isher River



Rock Creekat Mouth

East Fork RockCreek at EFRC-50

Libby Creekat LB-50

Libby Creekat LB-300

East Fork BullRiver at EFBR-300

East Fork BullRiver at Mouth

Libby Creekat U.S. 2

Bull Riverat Mouth

State Hwy 200

State H

wy 56

Eas

t F

ork Rock Creek

West Fork R

ock Creek

R ock C

reek

FisherRiver

WestFisherCreek

East ForkRock Creek

Ramsey Creek atWilderness Boundary

East ForkBull River at

Wilderness Boundary

Swamp Creek

PoormanCreek at

WildernessBoundary

Big CherryCreek


Libby Creek atWilderness Boundary

Clark ForkRiver

±Figure 66. Numerical Model Domain and Groundwater Hydrology Analysis Area Location

Feet0 10,000 20,000

E Modeled Baseflow Location

" Baseflow Calibration Location

Numerical Model Domain

((

((

((

((

((

((((

((((

((((((

((((

((((

((((((((

((((

((((((

((((

((((

((((

T

T

T

T

T

##

!

!

!

!

!!

!

!

!

!

!

ExistingLibby Adit

Ore Body(Open to North)

Libby

Cre

ek

LibbyAdit Site

Ramsey Creek

St. PaulLake

RockLake


St. PaulPeak

RockPeak

ElephantPeak


ShawMountain

UpperLibby Adit

Option #2Libby Intake,Alts. 3 and 4

Option #1Libby Intake,Alts. 3 and 4

Upper LibbyAdit Site,Alts. 3 and 4


ChicagoPeak

SP-32

SP-4R SP-31

SP-5/3R

SP-16

SP-19

SP-2RSP-1R

Libby AditExtension

RamseyAdits, Alt. 2

Rock LakeFault

New Libby Adit,Alts. 3 and 4

SP-25

East Fork

Rock C

reek

MW07-2

MW07-1

SP-8

SP-13

0 2,000 4,000

Feet ±Figure 67. Existing Monitoring Wells and Identified Springs in the Mine Area

! Spring

# Existing Monitoring Well



Libby Lakes

SaintPaul Pass

East ForkBull River

RockLake

SaintPaul Lake

Libby Lakes

Ramsey Creek

SaintPaul Pass

Libby Adit projectedto plane of fault

Cross-sectionalview of ore body

Plane of RockLake Fault

Approximate top of groundwater table

East ForkBull River

Libby Creek

Map view traceof Libby Adit

4600

5000

4200380034003000260022001800

4600

5000

4200380034003000260022001800

Groundwaterflow direction

0.5 1Miles

Approximate Horizontal Scale

0

Figure 68. Three Dimensional Conceptual Model of the Montanore Mine Area Hydrogeology

!

!

! !

!

!

!

!

!

!

!

!

!

!

!

!

!

#

#

Little Cherry Creek Impoundment Site

Poorman Impoundment Site

LCTM-8

WDS-1

3500

34003600

3700

3300

3800

SP-21

SP-24

SP-23

SP-27

SP-30

SP-29

SP-28

SP-26

SP-15SP-10

SP-02

SP-14

SP-12

SP-11SP-13

SP-17

SP-18

Lib

by

Cre

ek

Bea r Creek

Poorman C

reek

Littl

e C

herry

Cree

kM

idas Creek

Cab le Creek

Ra

msey Creek

Bear Creek

0 1,500 3,000

Feet ±Figure 69. Identified Springs, Existing Monitoring Wells, and Groundwater Levels in the Tailings Impoundment Sites

! Spring

# Existing Monitoring Well

Groundwater Elevation (ft)

Disturbance Boundary, Alt 2

Disturbance Boundary, Alt 3

Figure 70. Predicted Dewatering Rates During Evaluation through Operations Phases

0

200

400

600

800

1,000

0 2 4 6 8 10 12 14 16 18 20 22

Years Since Onset of Mine and Adit Dewatering

Instantaneous Dewatering of Two New Adits

Instantaneous Dewatering of Mine Blocks

Predicted Inflow to Mine Workings

Flow

into

Min

e W

orki

ngs (

gpm

)

Instantaneous Dewatering of Libby Adit and Drifts

TT

T

Smearl Creek

Leigh Creek

Snowshoe Creek

Big Cherry Creek

Bear Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

West Fork R

ock Creek

Miller Creek

SHoward Creek

HowardLake

LeighLake

278

231

RockLake

Midas

Creek

AccessRoad

Bear Creek

SANDERS COUNTY


Little C

herry

Creek

LINCOLN COUNTY


U. S

. 2

NumericalModel

Domain

St. PaulLake


(Alt. 3)




(Alt. C-R)


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)






North MillerCreek(Alt. B)

East F

ork Rock Creek

Rock Peak

Chicago Peak

Saint Paul Peak

±0 5,000 10,000Feet

Figure 71. Predicted Area of Groundwater Drawdown Post-Closure Phase (Maximum Baseflow Change)

Greater than 10 ft DrawdownGreater than 100 ft DrawdownGreater than 500 ft DrawdownGreater than 1000 ft Drawdown

!

!

!

!

!

!

!

!

!

!

!

!

!

Littl

e C

herry

Cr

eek

Lib

by

Cre

ek

278

SP-17

SP-23

SP-24SP-15

SP-10

SP-02

SP-29

SP-30SP-28

SP-26

SP-27

Poorman Creek

SP-14

SP-21

Ram

sey C

reek

5

1

15

25

35

45

5565

75

85

95

115

105

125

65

1

1

1

1

1

755

1

5

55

65

585

15

55115

1

Figure 72. Predicted Area of Groundwater Drawdown in the Poorman Tailings Impoundment Area

Drawdown (10-foot contourinterval)

! Spring

Jurisdictional Wetland

Non-jurisdictional Wetland

Water of the U.S.


Disturbance Boundary±0 1,000 2,000

Feet

Figure 73. Predicted Water Level Above Mine Void Near Rock Lake, Evaluation through Post-Closure Phases

4,300

4,400

4,500

4,600

4,700

4,800

4,900

5,000

5,100

5,200

5,300

5,400

0 30 60 90 120 150 180 210 240 270 300 330 360 390 420 450 480 510 540 570 600 630 660 690 720

Time Since Mining Activities Begin (years)

Ele

vatio

n (f

eet)

End of Mining

Year 50

TT

T

Smearl Creek

Leigh Creek

Snowshoe Creek

Big Cherry Creek

Bear Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Miller Creek

SHoward Creek

HowardLake

LeighLake

278

231

RockLake

Midas

Creek

AccessRoad

Bear Creek

SANDERS COUNTY


Little C

herry

Creek

LINCOLN COUNTY


U. S

. 2

NumericalModel

Domain

St. PaulLake


(Alt. 3)




(Alt. C-R)


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)







West Fork R

ock Cr eek

East F

ork Rock Creek

Rock Peak

Chicago Peak

Saint Paul Peak

±0 5,000 10,000Feet

Figure 74. Residual Water Table Drawdown Post-Closure Phase

Greater than 10 ft DrawdownGreater than 100 ft DrawdownGreater than 500 ft Drawdown

TT

T

Smearl Creek

Leigh Creek

Snowshoe Creek

Big Cherry Creek

Bear Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Miller Creek

SHoward Creek

HowardLake

LeighLake

278

231

RockLake

Midas

Creek

AccessRoad

Bear Creek

SANDERS COUNTY


Little C

herry

Creek

LINCOLN COUNTY


U. S

. 2

NumericalModel

Domain

St. PaulLake


(Alt. 3)




(Alt. C-R)


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)







West Fork R

ock Cr eek

East F

ork Rock Creek

Rock Peak

Chicago Peak

Saint Paul Peak

±0 5,000 10,000Feet

Figure 75. Cumulative Water Table Drawdown Post-Closure Phase (Maximum Baseflow Change)

Greater than 10 ft DrawdownGreater than 100 ft DrawdownGreater than 500 ft DrawdownGreater than 1000 ft Drawdown

#

#

##

#

#

#

#

#

#

#

#

#

#

#

#

#

#X

#

XX

#

#

#

#

#

#

##

#

#

T

T

T

T

T

TT

T

#

#

#

#

#

#

#

Libby Creek

Smearl Creek

Big Cherry Creek

Bear Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

West Fork R

ock Creek

Pleasant Valley F

isher R

iver

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

Clark Fork River


U.S. 2

231

RockLake

Midas

Creek


(Alts. 2 and 4)



AccessRoad


NorthMiller Creek

(Alt. B)


(Alt. C-R)


Bear Creek

SANDERS COUNTY

Littl

e

Cherry Cre

ek

East F

ork R

ock Creek


St. PaulLake

LINCOLN CO

UNTY

Snowshoe Creek

Leigh Creek

CABINETMOUNTAINS

WILDERNESS

Miller Creek

West FisherCreek

Upper RockCreek

RC-2000

Upper East ForkBull River

Lower East ForkBull River

Upper LibbyLake

Lower LibbyLake

WanlessLake

BullLake

Bull River

LB-3000

BC-100

LB-100

Roc

k C

reek

Libby Creekat U.S. Highway 2


(Alt. 3)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)


(Alts. 3 and 4)






RC-850

EFRC-800

EFRC-400

EFBR-500

Placer Creek

EFBR-300

RA-400

PM-1200

State Hwy. 56

State Hwy. 200

EFRC-100

EFRC-300

BC-500

LC-100

PM-500

LB-800

RA-200

RA-100

LB-200

LB-500

LB-300

RA-550RA-600

LB-1000

PM-1000

EFRC-200

LC-600

LC-800LB-2000

278

Rock Peak

AlaskaPeak

ChicagoPeak

ShawMountain

CableMountain

Saint PaulPeak

McDonaldMountain

ElephantPeak

±0 1.25 2.5

Miles

X Lake Monitoring Site


303(d) Listed Stream Segment

Surface Water Analysis Area




County Boundary

Figure 76. Surface Water Resourcesin the Analysis Area

Only 303(d) stream segments inAnalysis Area shown.

T

T

T

T

T

TT

T

Libby Creek

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Swam

p C

reek

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

WanlessLake

Midas

Creek


(Alt. 3)


AccessRoad

NorthMiller Creek

(Alt. B)


CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek


Big C

herry

C

reek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak



Saint PaulLake

Littl

e



(Alt. C-R)

NorthMiller Creek

(Alt. B)

East Fork

Rock Creek

State Hw

y 200


Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

±0 5,000 10,000

Feet

Land OwnershipNational Forest System

State

Plum Creek

Other Private

Plum Creek Conservation Easement

Analysis Area


Transmission Line AlternativeCabinet Mountains WildernessBoundaryCounty Boundary

Figure 78. Land Ownership in the Analysis Area

""

""

"

"

"

"

"

"

""

"""

"

" """

""

"

"

"


HowardLake



Ramsey Creek

Libb y C

reek Fish

e r

Riv

er

West Fisher C

reek

231

U.S. 2


Libby Plant SiteSubstation(Alts. C, D and E)

Poorman Creek

Howard Creek

Midas Creek

Swamp Creek

Smoke Creek

Ple asant

Valley Fisher

River


Standard Creek

Lake Creek

Hunter Cree k

ALT. BNorth Miller Creek

Ramsey Plant SiteSubstation (Alt. B)



ALT E-RWest FisherCreek

Miller

Creek

456

234

3

9

9

24

1

9

7

8

8

3

8

9

15

9

8

7

9

6

7

7

43 2 1

5

8

11

11

11

11

15

34

14

22

8

23

16

33

21

13

36

36

1415

35

24

29

32

2320

13

35

18

10

33

12

16

34

21

33

13

26

10

28

24

16

25

12

17

28

32

14

29

22

27

21

15

10

17

20

17

12

16

27

10

28 26

31

30

25

19

1818

19

31

30

12

5

16

10

17

56

15

4

22

27

18

34

3

10

2

14 1315

1

16

32

15

6

29

20

5

17

4

17

3

242322212019

0 2,500 5,000

Feet ±" Residence/Cabin

Centerline

Avoidance Management Area

Exclusion Management Area

Private Land

State Land

Figure 79. Residences, Corridor ExclusionManagement Areas, and Corridor Avoidance

Management Areas Along TransmissionLine Alternatives

Trail

Creek

Fourth

of

July Creek

Bramlet CreekMill

Cre

ek

West Fisher Creek

Swamp Creek

Ra

ven Cre ek

T

T

T

T

T

TT

T

!9

Libby Creek

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey Creek

Libby

Cre

ek

West Fisher Creek

Swam

p C

reek

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

278

U.S. 2

231

LINCOLNCOUNTYSANDERS

COUNTY

RockLake

WanlessLake

Midas

Creek


(Alt. 3)


AccessRoad


NorthMiller Creek

(Alt. B)


(Alt. C-R)


CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek


Big C

herry

C

reek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak



Saint PaulLake

Howard LakeCampground

Libby Creek RecreationGold Panning Area

Littl

e

NorthMiller Creek

(Alt. B)

6S

State Hw

y 200

East Fork Rock Creek


Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

5

912

716

921

924

360E

63926

360S

820

114

656

489

115

126

296

505

6N

300

923

119

118

932

658

823

859

SNO816

932

656A

912A

SNO816B

SNO816C

SNO816A

Figure 80. Key Recreation Resources in the Analysis Area

±0 5,000 10,000

Feet

Trail

!9 CampgroundLibby Creek Recreation GoldPanning AreaAnalysis Area



T

Howard Creek

HowardLake

231

Howard LakeCampground

Libby Creek RecreationGold Panning Area

119

716

820

505

300

823

!9

Only trails in Analysis Area shown.

T

T

T

T

T

T

T

")

GF

GF

")

")

")

#*

#*

")

")")

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Fisher

Rive

r

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

Midas

Creek


(Alt. 3)

AccessRoad

NorthMiller Creek

(Alt. B)

CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak



Saint PaulLake

Littl

e

KOP 11Residential

Representative View

KOP 10U.S. 2

RepresentativeView

KOP 9NFS Road 231 and

U.S. 2 RepresentativeView

KOP 8NFS Road 385Representative

View


View

KOP 6FS Road 4724

RepresentativeView

KOP 5Howard LakeBoat Ramp

KOP 4NFS Road 231

Pullout

KOP 2Scenic

Overlook

KOP 3Elephant

Peak

KOP 1NFS Road 231

Pullout

4776

4724

385

East Fork R ock Creek

Rock Peak

Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

Figure 82. Transmission Line Segments Visible from KOPs, Roads and the CMW

±0 5,000 10,000

Feet

#* Mine Viewpoint") Transmission Line ViewpointGF Transmission Line and Mine Viewpoint


No Visibility

Low Visibility

Moderate Visibility

High Visibility

Analysis AreaCabinet Mountains WildernessBoundaryCounty Boundary


Private Land

T

T

T

T

T

T

T

")

GF

GF

")

")

")

#*

#*

")

")")

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Fisher

Rive

r

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

Midas

Creek


(Alt. 3)

AccessRoad

West FisherCreek (Alt. E-R)

CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak



Saint PaulLake

Littl

e

4776

4724

385


Modified NorthMiller Creek

(Alt. C-R)

KOP 11Residential

Representative View

KOP 10U.S. 2

RepresentativeView

KOP 9NFS Road 231 and

U.S. 2 RepresentativeView


View


View


View

KOP 5Howard Lake

Beach

KOP 4NFS Road 231

Pullout

KOP 2Scenic

Overlook

KOP 3Elephant

Peak

KOP 1NFS Road 231

Pullout

East Fork Rock C reek

Rock Peak

Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

Alternative B

Alternatives C-R, D-R, E-R




ALT E-RWest FisherCreek

HowardLake



Ramsey Creek

Libb y C

reek

West Fisher C

reek

231

U.S. 2


Poorman Creek

Howard Creek

Midas Creek

Swamp Creek

Smoke Creek

Ple asant

Valley Fisher

River


Standard Creek

Lake Creek

Hunter Cree k

ALT. BNorth Miller Creek

Fish

er

Riv

er

0 2,500 5,000

Feet ±Slope Failure

Severe Erosion Risk

High Sediment Delivery

Slope Greater Than 30%

Analysis Area

Centerline

Figure 84. Soil Constraints AlongTransmission Line Alternatives

Trail

Creek

Fourth

of

July Creek

Bramlet CreekMill

Cre

ek

West Fisher Creek

Swamp Creek

Ra

ven Cre ek

Only soil constraints in Analysis Area shown.

T

T

T

T

T

TT

T

Libby Creek

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Swam

p C

reek

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

WanlessLake

Midas

Creek


(Alt. 3)


AccessRoad

NorthMiller Creek

(Alt. B)


CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek


Big C

herry

C

reek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak



Saint PaulLake

Littl

e



(Alt. C-R)

East F

ork R

ock Creek

NorthMiller Creek

(Alt. B)

State Hw

y 200


Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

±0 5,000 10,000

Feet

Coniferous Forest

Previously Harvested Coniferous Forest

Wetland/Riparian

Analysis Area



Figure 85. Vegetation Communities in the Analysis Area

Only vegetation in Analysis Area shown.

T

T

T

T

T

TT

T

Libby Creek

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Swam

p C

reek

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

WanlessLake

Midas

Creek


(Alt. 3)


AccessRoad

NorthMiller Creek

(Alt. B)


CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek


Big C

herry

C

reek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak



Saint PaulLake

Littl

e

CrazyPlanningSub-Unit

SilverfishPlanningSub-Unit

Hunter Creek

Analysis AreaOutside of PlanningSub-Unit Boundaries




(Alt. C-R)

East Fork R

ock Creek

NorthMiller Creek

(Alt. B)

State Hw

y 200


Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

±0 5,000 10,000

Feet

Designated Effective

Designated Replacement

Designated Unknown

Undesignated Effective

Undesignated ReplacementOld Growth on Non-NationalForest System LandAnalysis Area


Generalized Mine Facility LocationCabinet Mountains WildernessBoundaryCounty Boundary

Figure 86. Old Growth Forest in the Analysis Area

PoormanImpoundment

Little Cherry CreekImpoundment

Bear Creek

Little

Che

rry C

reek

Bear Cree

k

Libb

y C

reek

0 1,000 2,000

Feet ±Figure 87. Wetlands in the Two Tailings Impoundment Sites

Jurisdictional Wetland

Non-jurisdictional Wetland

Water of the U.S.

Alternative 2 DisturbanceBoundaryAlternative 3 DisturbanceBoundaryAlternative 4 DisturbanceBoundary

T

T

T

T

T

TT

T

T

T

T

T

Libby Creek

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Rock

Cre

ek

Swam

p C

reek

Pleasant Valley F

isher River

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard CreekHoward

Lake

Swam

p Cre e

k

LeighLake

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

WanlessLake

Midas

Creek


(Alt. 3)


AccessRoad


NorthMiller Creek

(Alt. B)


(Alt. C-R)


McSwedeSub-unit

CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek


Big C

her r

y C

reek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Upper Libby Adit Site(Alts. 3 and 4)Rock Lake

Ventilation Adit(Alts. 2, 3 and 4)

Saint PaulLake

Littl

e

CrazyPlanningSub-Unit

SilverfishPlanningSub-Unit



NorthMiller Creek

(Alt. B)

State Hwy 200

West Fo

rk Rock Cree

kEast F

ork R ock Creek


Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

FritzMountain

KeneltyMountain

BarrenPeak

TeetersPeak

Raven Creek

Brulee Creek

AlaskaPeak

±0 6,500 13,000

Feet

Elk Security Habitat

Elk Winter Range

White-tailed Deer Winter Range

Management Areas 15, 16, 17 and 18

Management Areas 10 and 11

Management Area 12

Analysis Area



Figure 89. Elk and White-tailed Deer Habitat in the Analysis Area

Only elk, deer and management areadata in Analysis Area shown.

T

T

T

T

T

TT

T

Li bby Creek

Smearl C reek

Leigh Cree k

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey C

reek

Libby

Creek

West Fishe r Creek

Swam

p C

reek

Fishe

r R

iver

Miller Cree k

Schreiber Creek

HowardLake

Swam

p Cre ek

LeighLake

Clark Fork River

NoxonReservoir


NOXON

State Highway. 37

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

WanlessLake

MidasC

reek


(Alt. 3)


LoadoutFacility

AccessRoad


NorthMiller Creek

(Alt. B)


(Alt. C-R)

CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek

Big C

h erry

C

reek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak



Saint PaulLake

Little

BMU 6Wanless

BMU 5Saint Paul

BMU 2Snowshoe

Silver B

utte Fisher R iver

Analysis AreaOutside of BMU

Boundaries


Rock

Cre

ek

NorthMiller Creek

(Alt. B)

State H

wy 56

State Hwy 200

West Fork Rock C

reek

East F

ork Rock Creek

RockPeak

ChicagoPeak

ElephantPeak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

±0 7,000 14,000

Feet

Core Grizzly Bear Habitat

Cabinet Face BORZ

Denning Habitat

Spring Habitat

Analysis AreaGeneralized Mine FacilityLocationTransmission Line AlternativeCabinet Mountains WildernessBoundaryCounty Boundary

Figure 92. Grizzly Bear Habitat in the Snowshoe (2), Saint Paul (5), and Wanless (6) BMUs and the Cabinet Face BORZ

T

T

T

T

T

TT

T

Libby Creek

Smearl Creek

Leigh Creek

Big Cherry Creek

Creek

Cable Creek

Poorman Creek

Ramsey

Creek

Libby

Cre

ek

West Fisher Creek

Swam

p C

reek

Fishe

r R

iver

Miller Creek

Schreiber Creek

Howard Creek

HowardLake

Swam

p Creek

LeighLake

278

U.S. 2

231

LINCOLN

COUNTYSANDERS

COUNTY

RockLake

WanlessLake

Midas

Creek


(Alt. 3)


AccessRoad


NorthMiller Creek

(Alt. B)


(Alt. C-R)


CABINETMOUNTAINS

WILDERNESS

Snowshoe Creek


Big C

herry

C

reek

Cherry

Bear Creek


(Alts. 2 and 4)

LAD Area 2(Alt. 2)

LAD Area 1(Alt. 2)




Alaska Peak

Upper Libby Adit Site(Alts. 3 and 4)Rock Lake

Ventilation Adit(Alts. 2, 3 and 4)

Saint PaulLake

Littl

e

Lynx AnalysisUnit 14504

Crazy

Lynx AnalysisUnit 14503

West Fisher

Analysis AreaOutside of Lynx

Analysis UnitBoundaries

Analysis AreaOutside of Lynx

Analysis UnitBoundaries

Analysis AreaOutside of LAU

Boundaries

NorthMiller Creek

(Alt. B)

East Fork

Rock C

reek

State Hw

y 200


Elephant Peak

Shaw Mountain

Cable Mountain

Saint Paul Peak

McDonald Mountain

±0 5,000 10,000

Feet

Multi-story or Late Succession ForestEarly Stand Initiation Stage(Unsuitable Habitat)Stand Initiation Stage (SuitableHabitat)Other Lynx Habitat

Analysis Area



Figure 93. Lynx Habitat in the Analysis Area

Documents

Troy Mine Montanore ProjectCabinet Mountains Wilderness Kootenai National Forest Proposed Rock Creek Mine Montanore Project Lincoln county Sanders county 0 10 20 miles Kalispell Detail