Geology and mineral resources of the Butler and Zelienople quadrangles, Pennsylvania / by G.B. Richardson.
Series InformationBulletin (Geological Survey (U.S.))
- Physical Description: 1 online resource (v, 93 pages, 8 pages of plates) : illustrations, maps.
- Publisher: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1936.
- Distributor: Washington : United States Government Printing Office
Title from title screen (viewed July 9, 2014).
|Bibliography, etc. Note:||
Includes bibliographical references and index.
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|Subject:||Geology > Pennsylvania.
Mines and mineral resources > Pennsylvania.