Johnstown folio, Pennsylvania

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Date
1910
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URI
http://hdl.handle.net/1969.1/3604
Description
Johnstown folio, Pennsylvania
Subject
Devonian - Catskill formation
Neogene - unnamed strata
Carboniferous - Conemaugh formation; Allegheny formation; Pottsville formation; Mauch Chunk shale; Pocono formation
Geology -- United States --Maps
Geology--Pennsylvania--Maps
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Citation
Phalen, William Clifton, 1877-1949. (1910). Johnstown folio, Pennsylvania. Geological Survey (United States). Available electronically from http : / /hdl .handle .net /1969 .1 /3604.