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.
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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.
