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Preliminary geologic map emphasizing bedrock formations in Alameda County, California: A digital database
Entry ID: USGS_OFR_96-252

Abstract: This digital map database, compiled from previously open-filed U.S. Geological
Survey reports (Graymer and others, 1994), other published and unpublished data
and substantialnew mapping by the authors in about two-thirds of the county,
represents the general distribution of rocks and geologic structures in Alameda
County. Together with the accompanying text file (algeo.txt), it provides
current ... View entire text
Related URL
Description: Database files, explanations, and map in PDF and Postscript formats are
available for downloading from the above URL.
Geographic Coverage
Spatial coordinates   
  N: 42.51   S: 32.02   E: -113.61   W: -124.9

Data Set Citation
Dataset Originator/Creator: R.W. Graymer, D.L. Jones, and E.E. Brabb
Dataset Title: Preliminary geologic map emphasizing bedrock formations in Alameda County, California: A digital database
Dataset Series Name: USGS Open-File Report
Dataset Release Place: Menlo Park, CA, USA
Dataset Publisher: U.S. Geological Survey
Issue Identification: 96-252
Data Presentation Form: Map, text
Online Resource:
Quality This report is preliminary and has not been reviewed for conformity with U.S.
Geological Survey editorial standards or with the North American Stratigraphic
Code. Any use of trade, product, or firm names is for descriptive purposes
only and does not imply endorsement by the U.S. Government.

This database, ... View entire text
Access Constraints None
Use Constraints Please cite data providers and U.S. Geological Survey
Data Set Progress
Originating Center
Data Center
Publications-Western Region,Geological Division, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL:
Dataset ID: Open-File Report 96-252

Data Center Personnel
Phone: 650-329-5015
Fax: 650-329-5119
Email: cdonlin at
Contact Address:
U.S. Geological Survey
Geology Division
345 Middlefield Road
City: Menlo Park
Province or State: California
Postal Code: 94025
Country: USA
Distribution Media: Online (Anonymous FTP)
Distribution Size: 20.8MB compressed, 97MB uncompressed
Distribution Format: ArcInfo
Fees: None
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Contact Address:
Western Region Mapping Group
U.S. Geological Survey
345 Middlefield Rd., M/S 975
City: Menlo Park
Province or State: CA
Postal Code: 94025
Country: USA
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-02-26
Last DIF Revision Date: 2018-02-05
Future DIF Review Date: 2004-02-26