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253 datasets

Vegetation - Suisun Marsh - Change 1999 to 2000 [ds163]

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, April 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This vegetation mapping project of Suisun Marsh blends ground-based classification, aerial photo interpretation, and GIS editing and processing. The m...

California Important Farmland: 2016

Published by: California Department of Conservation
Last updated: Wednesday, April 8, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide m...

WDL Ground Surface Displacement - Land Subsidence Monitoring

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 2026
File types: CSV

Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bott...

CGS Seismic Hazards Program: Landslide Zones

Published by: California Department of Conservation
Last updated: Wednesday, April 8, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geol...

i13 EncroachmentPermits DWR

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents the relative position and extent of encroachment permits created by the Geomatics Branch to support real property management w...

i13 Offices DWR

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The State of California Department operates office buildings across the extent of the entire State. These offices include a range of building types, r...

CGS Information Warehouse: Landslide Maps and Reports

Published by: California Department of Conservation
Last updated: Wednesday, April 8, 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...

Vegetation Cover - Spears and Didion Ranches [ds319]

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, April 7, 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: Tuesday, April 7, 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...

Juvenile Salmonid Emigration Monitoring Program - Middle Fork Sacramento River, Knights Landing, Yolo County

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, April 7, 2026
File types: XLSX, ZIP

Annual monitoring data contracted through USBR and DWR to assess the timing, composition, and abundance of salmonid emigration from the upper Sacramen...