Map of the Black Hills from a reconnaissance by Capt. William Ludlow, Corps of Engineers, 1874, and maps of Warren and Raynolds. Shows exploration routes, dates and land conditions. Relief shown by hachures and spot , South Dakota Black Hills ,mountain New Mexico


Size: 4755px × 7201px
Photo credit: © LM/BT / Alamy / Afripics
License: Licensed
Model Released: No

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