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.
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1903. 2013-03-13T20:15:58Z. 2013-03-14T15:14:01Z. Fuller, Myron L. U.S. Geological Survey. English. Public. Pennsylvania, États-Unis, and Pennsylvanie.
1904. 2013-03-13T19:58:35Z. 2022-07-11T13:51:04Z. Richardson, G. B. (George Burr), 1872-1949. U.S. Geological Survey. English. Public. Pennsylvania, Indiana County, États-Unis, and Pennsylvanie.
1904. 2013-03-14T13:11:36Z. 2013-03-14T14:58:40Z. Campbell, Marius Robinson, 1858-1940. U.S. Geological Survey. English. Public. Pennsylvania, Westmoreland County, Indiana County, États-Unis, and Pennsylvanie.
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.