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Quaternary geology of Contra Costa County, and surrounding parts of Alameda, Marin, Sonoma, Solano, Sacramento, and San Joaquin Counties, California: A digital database


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File Modification Date
2013-05-16 14:07:55


Contra Costa County is located at the northern end of the DiabloRange of Central California. It is bounded on the north byCarquinez Strait, through which flows 27 percent of California'ssurface water runoff. San Francisco Bay forms the westernboundary, the San Joaquin Valley borders it on the east and theLivermore Valley forms the southern boundary. Contra Costa is oneof the nine Bay Area counties with streams that are tributaries toSan Francisco Bay. Most of the county is mountainous with steeprugged topography. Mount Diablo, in the center of the county, isone of the highest peaks in the Bay Area, reaching an elevation of1173 meters (3,849 ft). Contra Costa County is covered bytwenty-five 7.5' topographic Quadrangles shown on the [...]


Point of Contact :
Graymer, Russell W
Process Contact :
Jennifer Lenz
Distributor :
USGS Information Services
Metadata Contact :
Peter N Schweitzer
Originator :
E.J. Helley, R.W. Graymer

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This digital geologic map database provides current information on the Quaternary stratigraphy of the area covered.
Reduced size image of the entire map sheet, 793x684 pixels, 240k bytes
Reduced size image of the entire map sheet, 793x684 pixels, 240k bytes




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Added to Sciencebase on Sat Nov 16 14:08:22 MST 2013 by processing URL <b>metadata.xml</b> in item <a href=""></a> <br />

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