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679 datasets

Geologic Map of California (2010)

Published by: California Department of Conservation
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This edition of the Geologic Map of California was prepared in recognition of the California Geological Survey's 150th Anniversary. It is an all-digit...

i08 GeologicUnits SacramentoValley

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polygons denoting the geologic units mapped in USGS Publication MF-1790, "Geologic Map of the Late Cenozoic Deposits of t...

i08 GeologicStructures SacramentoValley

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting the major geologic structures of the Sacramento Valley as mapped in USGS Professional Paper 1359, &quo...

Special Report 230: Geologic Gems of California State Parks

Published by: California Department of Conservation
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

California is a veritable treasure chest of nationally acclaimed natural landmarks and much adored scenery. This geologic legacy on display in the lan...

Public Land Survey System (PLSS): Sections

Published by: California Department of Conservation
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In support of new permitting workflows associated with anticipated WellSTAR needs, the CalGEM GIS unit extended the existing BLM PLSS Township & R...

Public Land Survey System (PLSS): Township and Range

Published by: California Department of Conservation
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In support of new permitting workflows associated with anticipated WellSTAR needs, the CalGEM GIS unit extended the existing BLM PLSS Township & R...

New Zealand Mudsnail Presence/Absence Surveys - California

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 5, 2026
File types: XLSX, ZIP

Includes waterbody survey names, waterbody survey GPS coordinates, snail sample review, and survey location notes. This data and metadata were subm...

Statewide Irrigation Systems Methods Survey

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: XLSM

Beginning in 1991 and approximately every 5 - 10 years an irrigation questionnaire form is distributed by mail and online survey to California growers...

DWR Airborne Electromagnetic (AEM) Surveys Data

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PDF, AGOL, ZIP, FILE GEODATABASE OR SHAPEFILE, SHP

#Statewide AEM Surveys Project Overview The Department of Water Resources’ (DWR’s) Statewide Airborne Electromagnetic (AEM) Surveys Project is funded...

Creel Surveys - Klamath River

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 5, 2026
File types: XLSX, ZIP

Annual field data from Klamath River Creel surveys. Field data collected from interviews with shore and boat based recreational anglers. Klamath River...