Mineral resources of Johnstown, Pennsylvania and vicinity /

Bibliographic Details
Main Authors:	Phalen, W. C. (William Clifton), 1877-1949 (Author), Martin, Lawrence, 1880-1955 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1911.
Series:	Bulletin (Geological Survey (U.S.)) ; no. 447.
Subjects:	Coal mines and mining > Pennsylvania. Mines and mineral resources > Pennsylvania. Coal mines and mining. Mines and mineral resources. Pennsylvania.
Online Access:	https://purl.fdlp.gov/GPO/gpo61148

Available Online