Government Information: Maps

Map Resources

Maps and Mapping Resources from Government Agencies: United States
University at Buffalo Libraries
OntheMap
GeoPlatform.gov
Provides access to ~100,000 open geospatial data assets via a suite of highly available geospatial data, services, applications, and community tools for an Open Source Geospatial Suite of capabilities.
Sanborn Maps, Library of Congress
Provides a searchable database of the fire insurance maps published by the Sanborn Map Company housed in the collections of the Geography and Map Division.