Economic geology of the Amity quadrangle, eastern Washington County, Pennsylvania
Clapp, Frederick G. (Frederick Gardner)
1879-1944
creator
text
bibliography
dcu
Washington
Govt. Print. Off.
1907
monographic
eng
145, vi p. : ill., viii pl. (partly fold., incl. maps) diagrs. ; 24 cm.
by Frederick G. Clapp.
Subject series: A, Economic geology, 86; B, Descriptive geology, 105.
Issued also as House doc. no. 53, 59th Cong., 2d sess.
Includes index.
Bibliography: p. 140.
n-us-pa
Mines and mineral resources
Pennsylvania
Washington County
Geology
Pennsylvania
Washington County
QE75 .B9 no. 300
Bulletin ; no. 300
Geological Survey (U.S.).
gs 07000794
DLC
790406
20260227111306.0
gs 07000794