Economic geology of the Kittanning and Rural valley quadrangles, Pennsylvania /

Bibliographic Details
Main Author:	Butts, Charles, 1863-1946 (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. 279. Series A--Economic geology ; 67. Series B--Descriptive geology ; 83.
Subjects:	Mines and mineral resources > Pennsylvania. Coal > Pennsylvania. Geology > Pennsylvania. Coal. Geology. Mines and mineral resources. Pennsylvania.
Online Access:	https://purl.fdlp.gov/GPO/gpo60298