USGS Historical Topographic Map Collection

USGS Historical Quadrangle in GeoPDF. The USGS Historical Quadrangle Scanning Project (HQSP) is scanning all scales and all editions of topographic maps published by the U.S. Geological Survey (USGS) since the inception of the topographic mapping program in 1884.

Data and Resources

Additional Info

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Last Updated July 27, 2019, 05:13 (CDT)
Created July 27, 2019, 05:13 (CDT)