Mineral resources of Johnstown, Pennsylvania and vicinity
By: by W.C. Phalen and Lawrence Martin; surveyed in cooperation with the Topographic and Geologic Survey of Pennsylvania.
Contributors: Martin, Lawrence, 1880- joint author.; Pennsylvania. Bureau of Topographic and Geologic Survey
Series: United States.  Geological Survey.  Bulletin ;; 447; Geological Survey bulletin ;; 447.
Publisher: Government Printing Office
Published: 1911
Place of publication: Washington
Language: eng
Number of pages: 142
Subjects: Mines and mineral resources -- Pennsylvania.; Coal mines and mining -- Pennsylvania.