View the database explanation pamphlet as an unformatted, text-only file: ssfb_m1.ReadMe.txt (3 KB)
The digital database is available for GIS users in ARC/INFO 6.x coverage format. Those who download digital data should also download the descriptive pamphlet (ssfb_m1.ReadMe.txt).
The data have been archived using tar, then compressed with UNIX compression. File sizes (in parentheses) are for the gzip-compressed download file, followed by the size of the file when uncompressed.
To download the geologic map data, select the following:
For more information on the geology
of the San Francisco Bay region:
Visit the sfgeo website