Exploration and Settlement 1850-1890 IMG
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Courtesy of the University of Texas Libraries, The University of Texas at Austin.
Courtesy of the University of Texas Libraries, The University of Texas at Austin.
U.S. Dept. of the Interior, Geological Survey, Exploration and Settlement 1850-1890, in: The National Atlas of the United States of America (Arch C. Gerlach, editor). Washington, D.C.: U.S. Dept. of the Interior, Geological Survey, 1970. Source: Perry-Castañeda Library Map Collection. Courtesy of the University of Texas Libraries, The University of Texas at Austin. http://www.lib.utexas.edu/maps/united_states/exploration_1850.jpg, public domain.
