Geologic map of southwestern Pennsylvania.
Material type:
TextSeries: Pennsylvania. Report ; no. 2.Publication details: Harrisburg, Pa., W. S. Ray, State Printer, 1914.Description: 30 p. 10 plates (part col., incl. maps) 24 cmSubject(s): LOC classification: - GA61.P4 A5 no. 2
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At head of title: Topographic and Geologic Survey of Pennsylvania.
Text and plates are in portfolio.
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