1907. 2013-03-14T15:59:12Z. 2013-03-14T15:59:12Z. Clapp, Frederick G. (Frederick Gardner), 1879-1944. The Survey. English. Public. Pennsylvania, Greene County, Washington County, États-Unis, and Pennsylvanie.
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1907. 2013-03-14T16:09:51Z. 2013-03-14T16:09:51Z. Darton, Nelson Horatio, 1865-1948. The Survey. English. Public. Wyoming, Crook County, and États-Unis.
1907. 2013-03-14T16:00:56Z. 2013-03-14T16:00:56Z. Grant, U. S. (Ulysses Sherman), 1867-1932. U.S. Geological Survey. English. Public. Wisconsin, Iowa, and États-Unis.
1907. 2013-03-14T16:08:33Z. 2022-12-08T04:41:30Z. Smith, George Otis, 1871-1944. The Survey. English. Public. Maine, Penobscot Bay, Hancock County, Knox County, Waldo County, and États-Unis.
1907. 2013-03-14T16:05:45Z. 2013-03-14T16:05:45Z. Keith, Arthur. U.S. Geological Survey. English. Public. North Carolina, South Carolina, États-Unis, Caroline du Nord, and Caroline du Sud.
1907. 2013-03-14T15:39:34Z. 2013-03-14T15:39:34Z. Keith, Arthur. U.S. Geological Survey. English. Public. Tennessee, North Carolina, États-Unis, and Caroline du Nord.
1907. 2013-03-14T16:04:00Z. 2013-03-14T16:04:00Z. Clapp, Frederick G. (Frederick Gardner), 1879-1944. U.S. Geological Survey. English. Public. Pennsylvania, Greene County, États-Unis, and Pennsylvanie.
1907. 2013-03-14T15:44:42Z. 2013-03-14T15:44:42Z. Purdue, A. H. (Albert Homer), 1861-1917. U.S. Geological Survey. English. Public. Arkansas, Oklahoma, and États-Unis.