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Index to Topographic Maps - 1:250,000 Scale
What this map layer shows: The positions of the intermediate-scale topographic maps that cover the 50 United States.
Background Information
Sample Map The U.S. Geological Survey (USGS) produced topographic maps of the United States at a variety of scales. Intermediate-scale USGS topographic maps at 1:250,000 scale are used for land management and planning. These maps include natural features, such as mountains, valleys, plains, lakes, rivers, and vegetation. Contours are used to show elevation. Also included are constructed features: roads, airports, boundaries, and built-up areas. The standard map size is 1 degree of latitude by 2 degrees of longitude. Detailed information about topographic maps can be found on the USGS Topographic Maps page, and the USGS Digital Backyard has further information on topographic maps and digital cartographic products. The Index to Topographic Maps - 1:250,000 Scale map layer shows the positions of the intermediate-scale topographic maps that cover the 50 United States. Descriptive information includes the map name and a link to the Terraserver, where the map can be viewed.
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Index to Topographic Maps - 1:250,000 Scale

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National Atlas of the United States^® and The National Atlas of the United States of America^® are registered trademarks of the United States Department of the Interior Privacy Statement, Disclaimer, Accessibility, FOIA http://www.nationalatlas.gov/mld/idx250p.html Last modified: April 29, 2008 16:04