A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey Lesley, J. Peter 1819-1903 creator Pennsylvania Board of Commissioners for the Second Geological Survey. text pau Harrisburg Board of Commissioners for the Geological Survey 1889-90 1889 1890 monographic eng
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3 v. illus. 23 cm. Compiled ... by J.P. Lesley ... At head of title: Geological survey of Pennsylvania. Paged continuously. Paleontology Pennsylvania QE157 .A16 vol. 58, pts. 1-3 Report of progress (Geological Survey of Pennsylvania), P4 gs 07000749 U.S. Geol. Survey. Library 780213 20260227111306.0 gs 07000749