Geology and mineral resources of the Butler and Zelienople quadrangles, Pennsylvania /

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Bibliographic Details
Main Author: Richardson, G. B. (George Burr), 1872-1949
Corporate Author: Geological Survey (U.S.)
Format: Government Document Book
Language:English
Published: Washington : Govt. Print. Off., 1936.
Series:Bulletin (Geological Survey (U.S.)) ; no. 873.
Subjects:
Local Note:With: no. 874 of the series. Bound together subsequent to publication.