Download pdf - Figure C-PS-2 Slope Instability Hazards Map Series, Sonoma

The Sea Ranch

StewartsPoint

?Ô

An n a p o lis R d

S tewarts Point Skaggs Springs Rd

?ÔSubArea 4Salt Point

Mendocino County

Mcclellon Gulch

Stewarts Creek

South Fork Gualala River

W

heatfield ForkGualala River

G ualala

Riv

er

Author: P RMD Cartog raphy: J. Samue ls File Num be r: S:\GIS-DATA\P RMD_BASE\P RMD De partm e nt P rojects\Com pre he nsive P lanning \Local Coastal P lan\Map m xd s\P ublic Review Draft\Fig ure C-P S-2a_P R.m xd Date: 6/3/2019

Local Coastal Plan SubAreas

89

54

6

10

12

3

7

SubArea 1 The Sea Ranch NorthSubArea 2 The Sea Ranch SouthSubArea 3 Stewart's Point/Horseshoe Cove SubArea 4 Salt PointSubArea 5 Timber Cove/Fort Ross SubArea 6 High Cliffs/Muniz-JennerSubArea 7 Duncans MillsSubArea 8 Pacific View/Willow CreekSubArea 9 State Beach/Bodega BaySubArea 10 Valley Ford

1 inch = 1.09 milesÊ0 1

Miles

FIGURE C-PS-2aSlope Instability Hazards

SubAreas 1 - 3Note:Map scale and re prod uction m ethod s lim it precision in physical features d isplaye d .The parce ls containe d he re in are not inte nd e d to re pre se nt surve ye d d ata. In som e areas the County’s parce l base is not in alig nm e nt with the coastline. This map is for illustrative purposes only and d oe s not re fle ct all policies. Site-specific stud ies are re quire d to d raw parce l-specific conclusions. All Slope Instability Hazard laye rs have be e n clippe d for cartog raphic purposes.Data Source: Sonom a County P RMD GIS, The Sonom a County Land slid e Hazard Area laye r was obtaine d from the California De partm e nt of Conse rvation - Wills, C.J.,P e re z., F.G., & Gutie rre z, C.I., 2011, Susce ptibility to De e p-Seate d Land slid es in California, California Ge olog ical Surve y, Map She e t 58. Bluff Erosion laye r obtaine d from the P acific Insitute, Oakland , California.

Local Coastal PlanSlope Instability Hazards

Base Map LayersSUBAREA

Salt PointParcel

Coastal Zone BoundaryNatural Coastline

HighwayRoad

Perennial StreamIntermittent Stream

High Risk Future Bluff Erosion

RO CK STRENGTH

SL

OP

E C

LA

SS

Landslide Susceptibility[increase susceptibility: 0 X]m

P e rm it and Resource Manag e m e nt De partm e nt2 5 5 0 V e n t u r a A v e n u e , S a n t a R o s a , C a l i f o r n i a 95403707-565-1900 FAX 707-565-1103

Sonoma County

Cazadero Hwy

SubArea 3Stewarts Point/

Horseshoe Cove

SubArea 8Pacific View/Willow Creek

SubArea 7Duncans Mills

WalshLanding

Plantation

Jenner

Fort Ro ss Rd

Krus e R a n c h

Rd

King Ridge Rd

?Ü

?Ô

?Ô

South F ork GualalaRiver

Author: P RMD Cartog raphy: J. Samue ls File Numbe r: S:\GIS-DATA\P RMD_BASE\P RMD De partm e nt P roje cts\Com pre he nsive P lanning \Local Coastal P lan\Map m xds\P ublic Revie w Draft\Fig ure C-P S-2b_P R.mxd Date: 6/3/2019


89

54

6

10

12

3

7


FIGURE C-PS-2bSlope Instability Hazards

SubAreas 4 - 6


Miles


High Risk Future Bluff ErosionBase Map Layers

Coastal SubAreaParcel

Coastal Zone BoundaryNatural Coastline

HighwayRoad


[increase susceptibility: 0 X]m

RO CK STRENGTH

SL

OP

E C

LA

SS

Landslide Susceptibility

Note:Map scale and re prod uction m ethod s lim it precision in physical features d isplaye d .The parce ls containe d he re in are not inte nd e d to re pre se nt surve ye d d ata. In som e areas the County’s parce l base is not in alig nm e nt with the coastline. This map is for illustrative purposes only and d oe s not re fle ct all policies. Site-specific stud ies are re quire d to d raw parce l-specific conclusions. All Slope Instability Hazard laye rs have be e n clippe d for cartog raphic purposes.Data Source: Sonom a County P RMD GIS, The Sonom a County Land slid e Hazard Area laye r was obtaine d from the California De partm e nt of Conse rvation - Wills, C.J.,P e re z., F.G., & Gutie rre z, C.I., 2011, Susce ptibility to De e p-Seate d Land slid es in California, California Ge olog ical Surve y, Map She e t 58. Bluff Erosion laye r obtaine d from the P acific Insitute, Oakland , California.

Sonoma County


AÜ

B o d e g a H w y

?Ô

?Ô

Bodega Ave

B ohemi a n H w y

Estero Americano

Salmon C reek

Russian River

DuncansMills

Sebastopol

Occidental

Carmet

SalmonCreek

BodegaBay

ValleyFord

Serenodel Mar

Marin County

Author: P RMD Cartog raphy: J. Samue ls File Num be r: S:\GIS-DATA\P RMD_BASE\P RMD De partm e nt P rojects\Com pre he nsive P lanning \Local Coastal P lan\Map m xd s\P ublic Revie w Draft\Fig ure C-P S-2c_P R.mxd Date: 6/3/2019


89

54

6

10

12

3

7


Base Map LayersCoastal SubArea

ParcelCoastal Zone Boundary

HighwayRoad



Miles

FIGURE C-PS-2cSlope Instability Hazards

SubAreas 7 - 10

SubArea 6High Cliffs/Muniz-Jenner


High Risk Future Bluff Erosion

RO CK STRENGTH

SL

OP

E C

LA

SS

[increase susceptibility: 0 X]mLandslide Susceptibility

Sonoma County


Note:Map scale and re prod uction m ethod s lim it precision in physical features d isplaye d .The parce ls containe d he re in are not inte nd e d to re pre se nt surve ye d d ata. In som e areas the County’s parce l base is not in alig nm e nt with the coastline. This map is for illustrative purposes only and d oe s not re fle ct all policies. Site-specific stud ies are re quire d to d raw parce l-specific conclusions. All Slope Instability Hazard laye rs have be e n clippe d for cartog raphic purposes.Data Source: Sonom a County P RMD GIS, The Sonom a County Land slid e Hazard Area laye r was obtaine d from the California De partm e nt of Conse rvation - Wills, C.J.,P e re z., F.G., & Gutie rre z, C.I., 2011, Susce ptibility to De e p-Seate d Land slid es in California, California Ge olog ical Surve y, Map She e t 58. Bluff Erosion laye r obtaine d from the P acific Insitute, Oakland , California.