Mineral resources of Johnstown, Pennsylvania and vicinity / by W.C. Phalen and Lawrence Martin ; surveyed in cooperation with the Topographic and Geologic Survey of Pennsylvania.

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Main Author: Phalen, W. C. (William Clifton), 1877-1949
Corporate Authors: Pennsylvania. Bureau of Topographic and Geologic Survey, Geological Survey (U.S.)
Other Authors: Martin, Lawrence, 1880-1955
Format: Government Document Book
Language:English
Published: Washington : G.P.O., 1911.
Series:Bulletin (Geological Survey (U.S.)) ; no. 447.
Subjects: