Skip to main content
U.S. flag

An official website of the United States government

Preliminary geologic map of the Oat Mountain 7.5' quadrangle, southern California: A digital database

July 1, 1995

This database, identified as "Preliminary Geologic Map of the Oat Mountain 7.5' Quadrangle, southern California: A Digital Database," has been approved for release and publication by the Director of the USGS. Although this database has been reviewed and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. This database is released on condition that neither the USGS nor the U. S. Government may be held liable for any damages resulting from its use.


This digital map database is compiled from previously published sources combined with some new mapping and modifications in nomenclature. The geologic map database delineates map units that are identified by general age and lithology following the stratigraphic nomenclature of the U. S. Geological Survey. For detailed descriptions of the units, their stratigraphic relations and sources of geologic mapping consult Yerkes and Campbell (1993). More specific information about the units may be available in the original sources.

Publication Year 1995
Title Preliminary geologic map of the Oat Mountain 7.5' quadrangle, southern California: A digital database
DOI 10.3133/ofr9589
Authors R.F. Yerkes, Russell H. Campbell
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 95-89
Index ID ofr9589
Record Source USGS Publications Warehouse
USGS Organization Geology, Minerals, Energy, and Geophysics Science Center