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Amity folio, Pennsylvania
(Geological Survey (United States), 1907)
Claysville folio, Pennsylvania
(Geological Survey (United States), 1912)
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AuthorClapp, Frederick G. (Frederick Gardner), 1879-1944. (1)Munn, Malcolm John, b. 1874. (1)Subject
Geology -- Pennsylvania -- Greene County -- Maps (2)
Geology -- Pennsylvania -- Washington County -- Maps (2)Geology -- United States --Maps (2)
Neogene - Carmichaels formation (2)
Carboniferous - Greene formation; Washington formation; Monongahela formation (1)Carboniferous - Greene formation; Washington formation; Monongahela formation; Conemaugh formation (1)Natural gas -- Pennsylvania -- Greene County -- Maps (1)Natural gas -- Pennsylvania -- Washington County -- Maps (1)Petroleum -- Pennsylvania -- Greene County -- Maps (1)Petroleum -- Pennsylvania -- Washington County -- Maps (1)... View MoreDate Issued1907 (1)1912 (1)Type
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