Geologic Maps Catalog U.S. Geological Survey A catalog of geologic and other geoscience maps. Part of the National Geologic Map Database.
USGS Publications Warehouse Many citations link to the full text of the reports/maps. • Search by series, report #, title, author, or date.
California Geological Survey (formerly California Division of Mines and Geology) • Index to California Regional Geologic Map References • CGS Publications • Online Maps and GIS Data
Nevada Bureau of Mines & Geology • Nevada Geologic Maps • Maps & Data • Publications
Index to Geologic Maps of Oregon by USGS Topographic Quadrangle Name, 1883-1996
Washington State Geological Survey Publications and Maps
Links to State Geological Surveys Association of American State Geologists Most have lists of and/or links to their geological maps
Geologic Map of California, Fresno sheet. 1:250,000 In the Library: 1st floor Maps vertical G 4361 .C5 s250.F7
Some parts of Fresno County are on other sheets: Geologic Map Index All sheets in the Library: 1st floor Maps vertical G 4361 .C5 s250 <sheet name>
