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2454 datasets

Earthquake Zones of Required Investigation Maps and Reports

Published by: California Department of Conservation
Last updated: Sunday, April 19, 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...

Vegetation - Whiskeytown National Recreation Area Vegetation Mapping Project [ds986]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This work was done by Humboldt State University Sponsored Programs. The vegetation map adheres to the 2008 National Vegetation Classification Standard...

Vegetation - Mill Creek - 2013 [ds1346]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In 2010, U.S. Fish and Wildlife Service contracted Stillwater Sciences and Aerial Information Systems to create a fine-scale vegetation map of the Cow...

Vegetation - Cow Creek - 2013 [ds1345]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In 2010, U.S. Fish and Wildlife Service contracted Stillwater Sciences and Aerial Information Systems to create a fine-scale vegetation map of the Cow...

Commercial Fishing Blocks - Pre Jan 1, 2025 - R7 - CDFW [ds3093]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The basic 10 minute grid was created using the ARC/INFO generate fishnet command. The input coordinates were in decimal degrees and the resultant cove...

Vegetation - Santa Lucia Preserve [ds2924]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Aerial Information Systems, Inc (AIS) was contracted to create both a baseline vegetation map derived from 1990s-era imagery and an updated 2010 veget...

Predator Monitoring Study Hexagons - Statewide [ds2651]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Predator Monitoring Sampling layer is used as the Sampling Frame for Predator Surveys conducted by the Department's Predator Monitoring Unit. The ...

California High Hazard Zones (Tier 1)

Published by: CAL FIRE
Last updated: Sunday, April 19, 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 greates...

Designated Heritage and Wild Trout Waters - CDFW [ds1356]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents lakes, stream reaches and, where applicable, watersheds which are the designated Heritage or Wild Trout waters in California. ...

2020 Adjusted Urban Area

Published by: Caltrans
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Caltrans is responsible for the decennial production of the Adjusted Urban Area Boundaries for the State of California. The CA 2020 adjusted urban are...