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 George Saucedo:
gsaucedo@consrv.ca.gov

7.5-minute Quadrangles Available to View or Download:

Northern California Region:

Capell Valley (7.7 MB)
Cotati (4.2 MB)
Cuttings Wharf (3.0 MB)
Fairfield North (6.2 MB)
Glen Ellen (5.4 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)
Sonoma (3.7 MB)
Two Rock (4.0 MB)
Yountville (10 MB)

Southern California Region:

Aguanga (5.2 MB)	Margarita Peak (5 MB)	San Clemente (5.2 MB)
Apple Valley North (3.1 MB)	Matilija (6.1 MB)	San Onofre Bluff (1.9 MB)
Bonsall (3.2 MB)	Morro Hill (3 MB)	San Pasqual - (2.5 MB)
Boucher Hill (8.9 MB)	Ojai (10 MB)	San Vicente Reservoir (1.7 MB)
Camarillo (2.3 MB)	Otay Mesa (1.2 MB)	Santa Paula (3.6 MB)
Dana Point (2.3 MB)	Oxnard (2.2 MB)	Santa Paula Peak (11 MB)
El Cajon (2.2 MB)	Pala (4 MB)	Saticoy (4.6 MB)
Escondido (2.7 MB)	Pechanga (4.2 MB)	Temecula (4.8 MB)
Fallbrook (4.7 MB)	Pitas Point (2.1 MB)	Valley Center (3.3 MB)
Jamul Mountains (2.1 MB)	Point Mugu (5.2 MB)	Ventura (6 MB)
Las Pulgas Canyon (3.7 MB)	Ramona (4.0 MB)	White Ledge Peak (3.1 MB)

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

Southern California Region:

Oceanside	San Diego
Sheet 1 - Geologic Map (4.1 MB)	Sheet 1 - Geologic Map (2.7 MB)
Sheet 2 - Correlation and description of map units	Sheet 2 - Correlation and description of map units
Long Beach
Sheet 1 - Geologic Map (7.8 MB)
Sheet 2 - Correlation and description of map units