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90 datasets

California Important Farmland Finder

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

This application provides an easy way to calculate the area and type of Important Farmland in an area of interest.Important Farmland Maps are compiled...

CGS Information Warehouse: Regulatory Maps

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

The Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory &q...

CGS Information Warehouse: Mineral Lands Classification

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

Mineral Land Classification (MLC) studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 ...

CalGEM TR26: Onshore Seeps

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a digital version of the California Department of Conservation, Geologic Energy Management Division Publication No. TR26, Onshore Oil ...

Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Sunday, June 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a partial rendition of the CalGEM (formerly the California Division of Oil, Gas, and Geothermal Resources) publication called Californ...

WellSTAR Oil and Gas Facilities: Pits and Sumps

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map displays facility sites in group or by facility types in separate layers: including pits and sumps.CalGEM is the Geologic Energy Manag...

WellSTAR Oil and Gas Facilities: Boundaries

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map displays facility sites in group or by facility types in separate layers: Facility Boundary layer digitized by CalGEM to show the area...

Well Finder

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

The Geologic Energy Management Division's (CalGEM) online mapping application Well Finder presents California’s oil and gas industry informati...

Earthquake Zones of Required Investigation

Published by: California Department of Conservation
Last updated: Wednesday, June 4, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

The California Earthquake Hazards Zone Application ("EQ Zapp") is an online map that allows anyone with a computer, tablet or smartphone to...

California Landslide Inventory and Deep Landslide Susceptiblity

Published by: California Department of Conservation
Last updated: Saturday, June 7, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

California Landslide InventoryThe statewide landslide map database shows many of the landslides mapped by CGS and others over the past 50 years. Each ...