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711 datasets

Catchable Trout Surveys - Lake Perris, Riverside County - 2008-2011

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 11, 2026
File types: XLSX, ZIP

Catch per hour, target species composition, hours spent angling (overall and by species), method of angling (boat/shore), annual catch totals (overall...

i08 FaultLines SacramentoValley

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting fault lines mapped in USGS Publication MF-1790, "Geologic Map of the Late Cenozoic Deposits of the Sac...

i08 ChicoMonoclineLineaments SacramentoValley

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, "Geologic M...

California Recreational Fisheries Survey, Catch Per Unit Angler for Salmon - R7 - 2004-2024 - CDFW [ds3184]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The data is reported in Catch Per Unit Angler (CPUA) which is a simple calculation of the number of fish caught divided by the number of anglers targe...

i08 LandslideSymbology SacramentoValley

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting the symbology for landslides; generally showing direction of movement downhill. These features were ad...

RegMapsLinks 20251120

Published by: California Department of Conservation
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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

CGS Map Sheet 58: Deep-Seated Landslide Susceptibility

Published by: California Department of Conservation
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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...

Earthquake Zones of Required Investigation Maps and Reports

Published by: California Department of Conservation
Last updated: Saturday, April 11, 2026
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...

Recreational Angler Surveys - Lake Silverwood, San Bernardino County - 1999-2020

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 12, 2026
File types: XLSX, ZIP

Roving creel surveys using stratified random sampling to determine angler catch rates, angler satisfaction, estimated trout harvested, total pounds ha...

Tule Elk Survey Data - San Luis Reservoir EMU - 2001-2021

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 11, 2026
File types: ZIP, XLSX

Tule elk surveys in the San Luis Reservoir Elk Management Unit (EMU), from 2001 through 2021. The data set contains the location of elk groups, the nu...