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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. The USGS no longer updates this national series of 1:250,000-scale topographic maps. Intermediate-scale USGS topographic maps at 1:250,000 scale were used for land management and planning. These maps included natural features, such as mountains, valleys, plains, lakes, rivers, and vegetation. Contours were used to show elevation. Also included were constructed features: roads, airports, boundaries, and built-up areas. The standard map size is 1 degree of latitude by 2 degrees of longitude. 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. All USGS historical topographic maps have been scanned and are available online at no cost.
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Index to Topographic Maps - 1:250,000 Scale

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The National Map


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