GIS News from the Department of Conservation

Date News Item
May 24, 2018
February 26, 2018
February 6, 2018
  • The Quaternary Surficial Geology of Southern California is now available. A product of the Alluvial Fan Task Force, Special Report 217: the Quaternary Surficial Geology of Southern California maps areas with recent (Quaternary) surficial deposits.
  • Additional 2016 California Important Farmlands data from the Farmland Mapping and Monitoring Program is available.
September 13, 2017
  • The California Important Farmland Finder (CIFF) is back and improved. Use it to calculate how much of each of our farmland categories occurs in your area of interest.
  • The California Important Farmlands data, including map applications, now includes additional newly released 2016 data.
July 7, 2017
  • We've added a Blog!
  • The California Important Farmlands data, including map applications, now includes the first of the 2016 data to be completed.
June 30, 2017 Several new or updated items:
  • Map services for Map Sheet 48 (Earthquake Shaking Potential) are now available for use. A web mapping application is in the works.
  • Topographically Occuring Mine Symbols are now available as a map service aggregated into 5 sq. mile hexagonal grid cells.
  • An improved version of DOGGR's All Wells map service is now available in both map and feature service forms along with nightly updates of the wells data in downloadable form.
April 17, 2017 Several new or updated items for this month:
  • CGS released updated, cleaned, and reorganized maps, GIS data, and reports for the Alquist-Priolo and Seismich Hazard Mapping projects. There are no changes to zone boundaries. See the CGS Information Warehouse Regulatory Maps section for access. Statewide map services will follow shortly.
  • Added services for the Division of Oil, Gas, and Geothermal Resources TR26: [Naturally Occuring] Onshore Oil and Gas Seeps in California. Service Endpoint, Metadata
  • Added a web map for CGS's Special Report 230: Geologic Gems of the California State Parks. Check it out, there are lots of interesting notes about cool geologic features in the California State Park System. These quick reads are written with the general public in mind.
    Geologic Gems of the California State Parks
  • Replaced most data viewers with a more userfriendly viewer. Data viewers focused on DOGGR data are unchanged.
  • We've added multiple links to the data lists for new or updated datasets.
March 1, 2017

The Department of Conservation is pleased to announce the release of this new geospatial data and map web site. provides easy access to the Department's publicly available GIS datasets, interactive web maps, and GIS data services.

We plan to continue to improve the functionality on this website and welcome feedback on what is good, items that could use improvement, and suggestions for new features or content. Please direct any feedback to