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State
CGS Information Warehouse: Mineral Land Classification Maps (SMARA Study Areas)
State of California —
Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of 1975. To... -
State
CGS Information Warehouse: Regulatory Maps
State of California —
Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory "Zones of Required... -
State
CGS Mineral Hazards: Indoor Radon Potential Zones
State of California —
This digital layer contains polygons (vector format) of portions of California designated as having high, moderate, low, or unknown potential for homes to exceed the... -
State
CGS Map Sheet 58: Deep-Seated Landslide Susceptibility
State of California —
The Susceptibility to Deep-Seated Landslides map covers the entire state of California and was originally published in May of 2011 as CGS Map Sheet 58. It made use of... -
State
CGS Mineral Hazards: Indoor Radon Potential Study Areas
State of California —
Study area boundaries for indoor radon potential conducted by the California Geological Survey. -
State
CGS Information Warehouse: Landslide Maps and Reports
State of California —
Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stability problem... -
State
CGS Information Warehouse: Mineral Land Classification Maps (SMARA Petitions)
State of California —
Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of 1975. To... -
State
Fault Activity Map of California (2010)
State of California —
"This digital database contains the faults shown on the Fault Activity Map of California by Charles W. Jennings and William A. Bryant published in 2010. The map shows...