Tagged: Geographic information systems (gis)

News
The second week of October 2017 saw the ignition of nearly two dozen fires in our state, according to CalFire. Many of the fires are burning in what we commonly think of as wine country, not only in Napa and Sonoma counties, but in Mendocino and the Sierra Foothills ...
October 18, 2017 • Michele Tobias
database
The 1990 and 2000 decennial census boundary files available here are selected generalized extracts from the Census Bureau’s TIGER geographic database and are designed for use in a Geographic Information System (GIS) or similar mapping system. The cartographic boundary files on this site are available in ARC/INFO EXPORT (.e00) format, ...
database
The National Atlas data is now archived as 1997-2014 Edition of The National Atlas of the United States on the U.S. government’s www.data.gov website. The USGS continues to make at least a subset of the National Atlas data available under its National Map ...
database
The GIS DataDepot is a commercial data site that has numerous data holdings available for free download. Additional data may be downloaded via a “Premium” option or written to CD-ROM for a fee. No-fee registration is required to download even the free data. Coverage is worldwide but generally not very ...
database
Search for GIS Data or create a map using the online viewer. Geodata.gov is part of the Geospatial One-Stop E-Gov initiative providing access to geospatial data and information. ...
database
This government site provides free downloads for frequently used datasets of California, including basemaps, elevation, transportation, political boundaries, scanned USGS topographic maps and 2005 and 2009 aerial photography. ...