The Madden Library has many of the maps identified through the sources below:
Search titles in OneSearch , specify Fresno State Books & Media
National Geologic Map Database
• National Geologic Map Database Catalog Search U.S. Geological Survey
GeoRef (Fresno State Access Link Only)
The American Geological Institute's geoscience database with records of North America since 1785, and other areas of the world since 1933.
• After typing in your search terms, add: and maps
USGS Publications Warehouse
Over half of the citations to USGS publications link to the full text of the reports/maps.
• Search by series, report #, title, author, or date.