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

The pamphlet introduces and describes the digital data.

Bibliographic Details
Main Author:	Helley, Edward J.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Graymer, R. W.
Format:	Government Document Microform Book
Language:	English
Published:	[Menlo Park, Calif.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1997.
Series:	U.S. Geological Survey open-file report ; 97-98.
Subjects:	Geology > California > Databases. Geology, Stratigraphic > Quaternary > Databases.
Online Access:	List of USGS open-file reports by year from which a link may be made to the title desired

Evans: US Documents Microfiche (3rd floor)