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89 datasets

California Important Farmland Finder

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
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: Mineral Lands Classification

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
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: Friday, January 30, 2026
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: Friday, January 30, 2026
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...

Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
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...

Well Finder

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
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...

Map Sheet 48 (2025 update) - MMI from PGV (2% in 50 years)

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The California Geological Survey (CGS) Map Sheet 48 (MS48) provides a depiction of expected ground shaking intensity from future earthquakes across th...

Earthquake Zones of Required Investigation

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
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: Friday, January 30, 2026
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 ...