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7.5-minute Quadrangles (1:24,000 Scale)

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)

* added 7/2/2013

30 x 60 Minute Quadrangles (1:100,000 Scale)

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

These maps were created in Adobe Portable Document Format (PDF), and require Adobe Acrobat reader to open. You can download Acrobat by clicking on the icon at the bottom of this page, or by clicking here.

View/Download Maps: (NOTE: All the maps listed above are not displayed on the image below)

To view: click on quadrangle name, map will open in Adobe Acrobat.
To download: with map open, go to Acrobat tool bar, click on the disk icon and a "save a copy" dialog box will open. Or you can right-click on quadrangle name in the list above and select "save target as" to save file to your hard drive.

Download Adobe Acrobat Reader

Preliminary Geologic Map - TWO ROCKPreliminary Geologic Map - COTATIPreliminary Geologic Map - GLEN ELLENPreliminary Geologic Map - SONOMAPreliminary Geologic Map - NAPAPreliminary Geologic Map - MT.GEORGEPreliminary Geologic Map - PETALUMAPreliminary Geologic Map - PETALUMA RIVERPreliminary Geologic Map - SEARS POINTPreliminary Geologic Map - CUTTINGS WHARFPreliminary Geologic Map - NOVATOPreliminary Geologic Map - YOUNTVILLEPreliminary Geologic Map - RUTHERFORDPreliminary Geologic Map - CAPELL VALLEYPreliminary Geologic Map - FAIRFIELD NORTHPreliminary Geologic Map - KENWOODPreliminary Geologic Map - MOUNT VACAPreliminary Geologic Map - VALLEY FORDPreliminary Geologic Map - CAMP MEEKERPreliminary Geologic Map - SEBASTOPOLPreliminary Geologic Map - JIMTOWNPreliminary Geologic Map - HEALDSBURGPreliminary Geologic Map Index-Northern California