Geological Sciences

The California Geotour is an index of web pages of geologic field trip guides and related web sites compiled by the California Geological Survey (CGS) for the benefit of all who have wondered about California's geologic features. Web pages are listed that contain geologic information, including photographs, maps, text and directions for local natural features throughout the state. The web pages have been developed by government agencies, geological organizations, professors, students, commercial enterprises, park districts, environmental groups, and those with a keen interest in the earth sciences.

The Geologic Guidebooks of North America Database consists of references to geologic field trip guidebooks of North America (United States, Canada, Mexico). Most of the guidebooks cited are from the period 1940-the present. The database is updated monthly and contains more than 10,000 references.