Economic geology of the Beaver Quadrangle, Pennsylvania : (southern Beaver and northwestern Allegheny counties) /

Bibliographic Details
Main Author:	Woolsey, Lester Hood, 1877-1961 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1906.
Series:	Bulletin (Geological Survey (U.S.)) ; no. 286. Series A--Economic geology ; 74. Series B--Descriptive geology ; 93.
Subjects:	Mines and mineral resources > Pennsylvania > Allegheny County. Mines and mineral resources > Pennsylvania > Beaver County. Mines and mineral resources. Pennsylvania > Allegheny County. Pennsylvania > Beaver County.
Online Access:	https://purl.fdlp.gov/GPO/gpo60309

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