Estimate of known recoverable reserves of coking coal in Jefferson County, Pa. /

Bibliographic Details
Main Author:	Dowd, James J. (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : U.S. Department of the Interior, Bureau of Mines, 1952.
Series:	Report of investigations (United States. Bureau of Mines) ; 4840.
Subjects:	Coal > Pennsylvania > Jefferson County.
Online Access:	https://purl.fdlp.gov/GPO/gpo91321