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1991 datasets

Regional Conservation Investment Strategy (RCIS) Boundaries [ds3011]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

An RCIS is a voluntary, non-regulatory, and non-binding conservation assessment that includes information and analyses relating to the conservation of...

RegMapsLinks 20251120

Published by: California Department of Conservation
Last updated: Saturday, June 13, 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...

California High Hazard Zones (Tier 2)

Published by: CAL FIRE
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

On October 30, 2015 Governor Brown issued an emergency declaration requiring public agencies to identify areas of tree mortality that hold the great...

i19 Stormwater Permitees Municipal

Published by: California Department of Water Resources
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The feature datasets contain Phase 1 and Phase 2 municipal separate stormwater sewer system (MS4s) permittees in California. These draft layers are ba...

CGS Information Warehouse: Landslide Maps and Reports

Published by: California Department of Conservation
Last updated: Sunday, June 14, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stabili...

Chronic Wasting Disease Surveillance - CDFW [ds3157]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, ZIP

This data is associated with the following layers: Chronic Wasting Disease Testing Sites - CDFW [ds3154] (https://apps.wildlife.ca.gov/bios6/?al=3154)...

Tree Habitat - Spears and Didion Ranches [ds321]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

These data are the summary statistics calculated for trees and snags from the three 0.05-ha circular plot habitat samples taken in 2005 each at the 15...

Vegetation Cover - Spears and Didion Ranches [ds319]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, ZIP

These data are the summary statistics calculated for components of the herbaceous layers, and shrubs and trees from the three 0.05-ha circular plot ha...

Vegetation Cover - Spears and Didion Ranches [ds319]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

These data are the summary statistics calculated for components of the herbaceous layers, and shrubs and trees from the three 0.05-ha circular plot ha...

Vegetation Cover - Spears and Didion Ranches [ds319]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, ZIP, CSV, GEOJSON, KML

These data are the summary statistics calculated for components of the herbaceous layers, and shrubs and trees from the three 0.05-ha circular plot ha...