United States: Geography
- United States Board of Geographic Names - database to search our nation's official repository of domestic geographic names information.
- United States Census Bureau - Geography
- Maptech - use this source to access online topographic maps.
- Perry Casteneda Library Map Collection - extensive collection of maps and geographic reference sources.
- USGS Minerals Information - statistics and information on the worldwide supply, demand, and flow of minerals and materials essential to the U.S. economy, the national security, and protection of the environment.
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