U. S. - Mexico boundary from El Paso to Van Horn, Texas. Map

Citation

Smithers, W. D. (Wilfred Dudley), 1895-1981. U. S. - Mexico boundary from El Paso to Van Horn, Texas. Map, Map, n.d.; (http://texashistory.unt.edu/ark:/67531/metapth11949/ : accessed May 06, 2015), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting The Archives of the Big Bend, Alpine, Texas.

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