A GIS database of geologic units and structural features in California, with lithology, age, data structure, and format written and arranged just like the other states.
Data and associated physical property measurements were collected as part of on-going studies to help determine the earthquake hazard potential of major faults within the San Francisco Bay region
Summary of data obtained from field sampling of mine tailings and waste rock and water and sediment in regional springs and tributaries that drain from the mine area into Bear Creek. Ground-water springs are also potential sources of mercury here.
Characteristics of bedrock and surficial geologic terranes and structural features at various levels of detail. The information provided here are intended for use in the synoptic study of large areas, and are likely not suitable for detailed study of geog