Preliminary Geologic Maps

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:

Camp Meeker (7.2 MB)
Capell Valley (7.7 MB)
Cotati (4.2 MB)
Cuttings Wharf (3.0 MB)
Fairfield North (6.2 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 Pasqual - (2.5 MB)
Apple Valley North (3.1 MB)	Lake Hughes (6 MB)	Pala (4 MB)	San Vicente Reservoir (1.7 MB)
Bonsall (3.2 MB)	Lancaster East (3.5 MB)	Pechanga (4.2 MB)	Santa Paula (3.6 MB)
Boucher Hill (8.9 MB)	Lancaster West (3.8 MB)	Pismo Beach (4.5 MB)	Santa Paula Peak (11 MB)
Camarillo (2.3 MB)	Las Pulgas Canyon (3.7 MB)	Pitas Point (2.1 MB)	Saticoy (4.6 MB)
Dana Point (2.3 MB)	Margarita Peak (5 MB)	Point Mugu (5.2 MB)	Temecula (4.8 MB)
Del Sur (4.6 MB)	Matilija (6.1 MB)	Ramona (4.0 MB)	Vail Lake (6.2 MB)
El Cajon (2.2 MB)	Morro Bay South (6.1 MB)	Ritter Ridge (8.6 MB)	Valley Center (3.3 MB)
Escondido (2.7 MB)	Morro Hill (3 MB)	San Clemente (5.2 MB)	Ventura (6 MB)
Fairmont Butte (3.9 MB)	Ojai (10 MB)	San Luis Obispo (5.5 MB)	Victorville (6.4 MB)
Fallbrook (4.7 MB)	Otay Mesa (1.2 MB)	San Onofre Bluff (1.9 MB)	White Ledge Peak (3.1 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
Geologic Map  (37.5 MB)
Pamphlet (1 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