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Author
Phalen, William Clifton, 1877-1949. (1)
SubjectCarboniferous - Conemaugh formation; Allegheny formation; Pottsville formation; Mauch Chunk shale; Pocono formation (1)Devonian - Catskill formation (1)Geology -- United States --Maps (1)
Geology--Pennsylvania--Maps (1)
Neogene - unnamed strata (1)... View MoreDate Issued1910 (1)Type
Book (1)
Image (1)Map (1)Has File(s)Yes (1)