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AuthorMunn, Malcolm John, b. 1874. (1)Subject
Carboniferous - Greene formation; Washington formation; Monongahela formation (1)
Geology -- Pennsylvania -- Greene County -- Maps (1)
Geology -- Pennsylvania -- Washington County -- Maps (1)
Geology -- United States --Maps (1)Natural gas -- Pennsylvania -- Greene County -- Maps (1)
Natural gas -- Pennsylvania -- Washington County -- Maps (1)
Neogene - Carmichaels formation (1)
Petroleum -- Pennsylvania -- Greene County -- Maps (1)
Petroleum -- Pennsylvania -- Washington County -- Maps (1)
... View MoreDate Issued1912 (1)Type
Book (1)
Image (1)
Map (1)
Has File(s)Yes (1)