This is a wiki of publicly accessible U.S. state agency databases, hosted by the American Library Association (ALA) Government Documents Round Table (GODORT). Contains a lot of state specific, often overlooked data, that is maintained by local experts.
Current geospatial data acquired and developed for the state of Kansas from various federal, state, and educational institutions, are stored and distributed here.
Use the CIESIN Gateway to search for environmental data using an electronic catalog of data resources.
The FGDC coordinates the sharing of geographic data, maps, and online services through the online portal geodata.gov. A link to this portal, NSDI (National Spatial Data Infrastructure) Clearinghouse Network, and other useful links are available on this site.
A USAID-funded global archive of spatial data collected and distributed for the greater humanitarian community. While located at the University of Georgia, the GIST Repository is free to access but requires creation of a login account.
Librarians helping navigate GIS resources one tag bundled subject at a time
The National Geospatial Program provides leadership for USGS geospatial coordination, production and service activities. Access, view, and download information from geo-spatial databases produced by the USGS and other government agencies.
"Data.gov increases the ability of the public to easily find, download, and use datasets that are generated and held by the Federal Government. Data.gov provides descriptions of the Federal datasets (metadata), information about how to access the datasets, and tools that leverage government datasets."
Contains links to webites with attribute and geospatial data for each of the 50 states, Washington, D.C., and the United States as a whole. This site is maintained by the University of Arkansas Libraries.
Central location for all Fish and Wildlife Service data. Includes the popular National Wetlands Inventory, the Critical Habitat Portal, and other USFWS GIS data sources.
The premier online resource for GIS and geospatial data. Much is available for free download. Includes US and International data.
Free downloads of transportation, boundaries, hydrography, land cover and elevation data. Also has orthoimagery and Landsat imagery.