1906. 2013-03-14T15:17:58Z. 2013-03-14T15:17:58Z. Miller, Benjamin L. (Benjamin LeRoy), 1874-1944. The Survey. English. Public. Delaware, Kent County, Newcastle County, Maryland, Caroline County, Queen Anne County, New Jersey, Salem County, and États-Unis.
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1914. 2013-03-14T18:36:59Z. 2013-03-14T18:36:59Z. Bastin, Edson S. (Edson Sunderland), 1878-1953. The Survey. English. Public. Maine, Washington County, and États-Unis.
1905. 2013-03-14T15:32:14Z. 2013-03-14T15:32:14Z. Butts, Charles, 1863-1946. The Survey. English. Public. Pennsylvania, Bedford County, Blair County, Cambria County, États-Unis, and Pennsylvanie.
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.
1905. 2013-03-14T13:59:33Z. 2013-03-14T13:59:33Z. Stone, Ralph W. (Ralph Walter), 1876-1964. The Survey. English. Public. Pennsylvania, Armstrong County, Indiana County, Westmoreland County, États-Unis, and Pennsylvanie.
1908. 2013-03-14T15:55:13Z. 2013-03-14T15:55:13Z. Todd, J. E. (James Edward), 1846-1922. The Survey. English. Public. South Dakota, Clay County, Union County, Nebraska, Dakota County, Dixon County, Iowa, Plymouth County, Sioux County, États-Unis, and Dakota du sud.
1903. 2013-03-13T20:14:18Z. 2013-03-14T15:14:19Z. Fuller, Myron L. U.S. Geological Survey. English. Public. Pennsylvania, Tioga County, États-Unis, and Pennsylvanie.
1903. 2013-03-13T19:34:32Z. 2013-03-14T15:12:21Z. Smith, George Otis, 1871-1944. U.S. Geological Survey. English. Public. Washington (State), États-Unis, and Washington (États-Unis ; État).
1899. 2013-03-13T16:59:54Z. 2013-03-13T16:59:54Z. Hills, R. C. (Richard Charles), 1848-1923. The Survey. English. Public. Colorado, Las Animas County, États-Unis, and Montana.
1910. 2013-03-14T16:30:23Z. 2013-03-14T16:30:23Z. Cross, Whitman, 1854-1949. The Survey. English. Public. Colorado, La Plata County, San Juan County, Dolores County, Montezuma County, and États-Unis.