Geology and natural gas production of the Lower Silurian Medina group and equivalent rock units in Pennsylvania /

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Bibliographic Details
Author / Creator:Piotrowski, Robert G.
Imprint:Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : May be purchased from State Book Store, 1981.
Description:iv, 21 p. : ill. ; 26 cm. + 11 maps
Language:English
Series:Mineral resource report 82
Subject:
Format: Print Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/493468
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Notes:Bibliography: p. 20-21.