Trace of Butterfield Overland Mail Road (1858-1861) leading down to crossing of North Concho River in Tom Green County.
Trace of Butterfield Overland Mail Road (1858-1861) leading down to crossing of North Concho River in Tom Green County.
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Photos Courtesy of The Carol M. Highsmith Archive & The Library of Congress Prints and Photographs Division, Sam Houston Regional Library and Archives, Texas State Library and Archives Commission, Texas Department of Transportation, and Institute of Texan Cultures.