1905. 2013-03-14T14:10:02Z. 2013-03-14T14:10:02Z. Darton, Nelson Horatio, 1865-1948. The Survey. English. Public. Wyoming, Crook County, South Dakota, Butte County, Lawrence County, Montana, Custer County, États-Unis, and Dakota du sud.
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1909. 2013-03-14T16:18:38Z. 2013-03-14T16:18:38Z. Darton, Nelson Horatio, 1865-1948. U.S. Geological Survey. English. Public. South Dakota, États-Unis, and Dakota du sud.
1904. 2013-03-14T13:49:44Z. 2013-03-14T13:49:44Z. Darton, Nelson Horatio, 1865-1948. The Survey. English. Public. South Dakota, Custer County, Fall River County, Nebraska, Cheyenne County, Scotts Bluff County, États-Unis, and Dakota du Sud.
1951. 2018-05-14T19:55:26Z. 2018-05-14T19:55:26Z. Darton, Nelson Horatio, 1865-1948. Geological Survey. English. cartographic image. Public. South Dakota and South Dakota.
1904. 2013-03-14T13:47:05Z. 2013-03-14T13:47:05Z. Darton, Nelson Horatio, 1865-1948. The Survey. English. Public. Wyoming, Weston County, South Dakota, Custer County, Pennington County, États-Unis, and Dakota du Sud.
1919. 2013-03-15T12:54:40Z. 2013-03-15T12:54:40Z. Darton, Nelson Horatio, 1865-1948. The Survey. English. Public. South Dakota, Butte County, and Meade County.
1902. 2013-03-13T19:32:54Z. 2013-03-14T15:11:54Z. Darton, Nelson Horatio, 1865-1948. U.S. Geological Survey. English. Public. South Dakota, Nebraska, Dawes County, États-Unis, and Dakota du sud.
1905. 2013-03-14T14:08:20Z. 2021-03-22T19:41:07Z. Darton, Nelson Horatio, 1865-1948. The Survey. English. Public. Wyoming, Crook County, Weston County, South Dakota, Lawrence County, and Pennington County.