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Maps and Mapping Resources from Government Agencies: Home

Here are selected GIS and Map resources available from government and municipal agencies. For additional links to other map resources see the Maps & Cartography Guide.

Note: Government websites change their URLs often. If you find a "dead" link, contact us and we will locate the correct link. Sometimes searching from the "main" URL of a site will allow you to find links to the changed page. When searching, use the name of the link (as entered below) since this is usually how the page is named.


United States

In addition to this selection of sites with map-specific resources, see: Maps & Atlases guide (outside link). Other agencies may be located on a listing of US Government Documents & Information. Go to to locate ANY U.S. Government sites.

Before searching specific agencies, try This is a GIS portal that serves as a public gateway for improving access to geospatial information and data under the Geospatial One-Stop e-government initiative. This is one of 24 e-government initiatives sponsored by the Federal Office of Management and Budget (OMB) to enhance government efficiency and to improve citizen services. makes it easier, faster, and less expensive for all levels of government and the public to access geospatial information.

Quick Links to: Census maps | Statistics | USGS | EPA | NOAA | NWS

Quick Links to: Soil Surveys, Climage/Weather Data, Stream-flow Data, Land Cover

  • Gazetteers: Board of Geographic Names and other government sites for locating names in the U.S. and World, along with references to finding them on maps. List also includes official government gazetteers from a number of countries.


New York State

New York State: Western New York Region

Niagara Watershed

New York State: Western New York Region: Counties

New York State: Western New York Region: Cities and Towns

Other States





Northern Territory

Western Australia

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David J. Bertuca's picture
David J. Bertuca
116 Lockwood Memorial Library