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Preliminary Geologic Maps
Northern California RegionSouthern California RegionSouthern California RegionSouthern California RegionClick here to go to the STATEMAPClick here to go to the Southern California Areal Mapping ProjectNorthern California RegionNorthern California RegionSouthern California RegionSouthern California RegionSouthern California RegionSouthern California RegionSouthern California Region

Click on area of interest on map above to see view of quadrangles available, or click on quadrangle name in the list below to view or download the quadrangle. To view, click on the name of the quadrangle and it will open in Adobe Acrobat. From Acrobat you can download the map by selecting "save as" under the file menu and save to desired location. To download without opening the map, right click on the quadrangle name, and select "save target as" to save the file to the location you wish.
If you don't have Adobe Acrobat installed on your computer, you can download Adobe Acrobat reader by clicking on the icon below.

Technical comments can be sent to Marc Delattre:
Marc.Delattre@conservation.ca.gov

7.5-minute Quadrangles Available to View or Download:

Northern California Region:

Calistoga (4.1 MB)
Camp Meeker (7.2 MB)
Capell Valley (7.7 MB)
Cotati (4.2 MB)
Cuttings Wharf (3.0 MB)
Fairfield North (6.2 MB)
Geyserville (3.6 MB)
Glen Ellen (5.4 MB)
Healdsburg (8.2 MB)
Jimtown (9.0 MB)
Kenwood (2.4 MB)
Mt. George (3.4 MB)
Mt. Vaca (2.8 MB)
Napa (3.8 MB)
Novato (2.3 MB)
Petaluma (2.5 MB)
Petaluma River (1.6 MB)
Rutherford (11 MB)
Sears Point (2.0 MB)
Sebastopol (3.7 MB)
Sonoma (3.7 MB)
Two Rock (4.0 MB)
Valley Ford (4.6 MB)
Yountville (10 MB)

Southern California Region:

Aguanga (5.2 MB) Jamul Mountains (2.1 MB) Oxnard (2.2 MB) San Vicente Reservoir (1.7 MB)
Apple Valley North (3.1 MB)     Lake Hughes (6 MB) Pala (4 MB) Santa Paula (3.6 MB)
Arroyo Grande (3.7 MB) Lancaster East (3.5 MB) Palmdale (4.2 MB) Santa Paula Peak (11 MB)
Atascadero (3.6 MB) Lancaster West (3.8 MB) Pechanga (4.2 MB) Saticoy (4.6 MB)
Bonsall (3.2 MB) Las Pulgas Canyon (3.7 MB) Pismo Beach (4.5 MB) Sleepy Valley (4.3 MB)
Boucher Hill (8.9 MB) Little Buttes (2.1 MB) Pitas Point (2.1 MB) Temecula (4.8 MB)
Camarillo (2.3 MB) Margarita Peak (5 MB) Point Mugu (5.2 MB) Vail Lake (6.2 MB)
Dana Point (2.3 MB) Matilija (6.1 MB) Ramona (4.0 MB) Valley Center (3.3 MB)
Del Sur (4.6 MB) Morro Bay South (6.1 MB) Ritter Ridge (8.6 MB) Updated 8/12/2013 Ventura (6 MB)
El Cajon (2.2 MB) Morro Hill (3 MB) San Clemente (5.2 MB) Victorville (6.4 MB)
Escondido (2.7 MB) Oceano (3.1 MB) San Luis Obispo (5.5 MB) White Ledge Peak (3.1 MB)
Fairmont Butte (3.9 MB) Ojai (10 MB) San Onofre Bluff (1.9 MB)  
Fallbrook (4.7 MB)   Otay Mesa (1.2 MB)   San Pasqual - (2.5 MB)   

30 x 60-minute Quadrangles Available to View or Download:

Northern California Region:

 

 

Napa Lodi
Geologic Map (13.3 MB) Geologic Map (28.9 MB)
Pamphlet (1 MB)  Pamphlet - (1 MB)
Sacramento Crescent City - Orick
Geologic Map  (37.5 MB) Geologic Map (5.2 MB)
Pamphlet (1 MB) Pamphlet (1.2 MB)
   
Susanville  
Geologic Map (6.6 MB)  
Pamphlet (5.3 MB)  

Southern California Region:

Oceanside San Diego
The Oceanside 30' x 60' Geologic Map has been published as RGM No. 2.  Click to View the geologic map (map is located on USGS's National Geologic Map Database web site).  This map and other RGM maps can be purchased through the CGS Publications. The San Diego 30' x 60' Geologic Map has been published as RGM No. 3.  Click to View the geologic map (map is located on USGS's National Geologic Map Database web site).  This map and other RGM maps can be purchased through the CGS Publications.
Long Beach East Half Santa Barbara
Sheet 1 - Geologic Map (7.8 MB) Sheet 1 - Geologic Map (33.5 MB)
Sheet 2 - Correlation and description of map units Sheet 2 - Correlation and description of map units

 

 

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