View the revision list as an unformatted, text-only file: of97-744revs_a.txt (3 kB)
View the README file as an unformatted, text-only file: README (15 kB)
View the explanation pamphlet as an unformatted, text-only file: of97-744_2a.txt (72 kB)
Download the explanation pamphlet as a formatted PostScript plot file: of97-744_2b.ps (336 kB)
View the explanation pamphlet as a formatted PDF file: of97-744_2c.pdf (68 kB)
Digital databases are available for GIS users in ARC/INFO coverage and ARCVIEW Shapefile formats. Those who download digital data should also download the descriptive pamphlet. The data have been archived using tar, then compressed with zip. File sizes (in parentheses) are for the zip-compressed download file, followed by the size of the file when uncompressed.
To download the geologic map data, select one of the following:
Plotfiles are available for those who wish to produce paper copies of maps prepared from the digital data. These maps have been edited to conform as much as possible to standard U.S. Geological Survey format for geologic maps. The plotfiles are in PostScript and PDF formats. Note that these plotfiles are formatted to plot on 34 by 33 inch sheets, so a large format color plotter is required to produce a paper map. Alternatively, some software can import PostScript files, allowing the user to manipulate the map image as desired. Those who download plotfiles should also download the descriptive pamphlet. The PostScript file has been compressed with zip. The compressed and uncompressed file size is shown in parentheses. The PDF file has not been compressed.
To download the plotfile select one of the following:
For more information on the geology
of the San Francisco Bay region:
Visit the sfgeo website