Rural Valley folio, Pennsylvania
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DescriptionRural Valley folio, Pennsylvania
SubjectNeogene - Carmichaels formation
Carboniferous - Conemaugh formation; Allegheny formation; Vanport limestone; Pottsville formation; Pocono formation
Geology -- Pennsylvania -- Armstrong County -- Maps
Geology -- Pennsylvania -- Clarion County -- Maps
Geology -- United States --Maps
Butts, Charles, 1863-1946. (1905). Rural Valley folio, Pennsylvania. Geological Survey (United States). Available electronically from
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