Tagged: Geographic information systems (gis)

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…

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…

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.