Economic geology of the Beaver Quadrangle, Pennsylvania
(southern Beaver and northwestern Allegheny counties)
Woolsey, Lester Hood
1877-
creator
text
dcu
Washington
Govt. print. off.
1906
monographic
eng
vi, 132, vi p. : ill., viii pl. (part fold., incl. map in pocket) diagrs. ; 24 cm.
by Lester H. Woolsey.
Subject series : A. Economic geology, 74. B. Descriptive geology, 93.
Issued also as House doc. no. 834, 59th Cong., 2d session.
n-us-pa
Mines and mineral resources
Pennsylvania
Beaver County
Mines and mineral resources
Pennsylvania
Allegheny County
QE75 .B9 no.286
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DLC
790302
20260227111306.0
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