Coal resources of Allegheny County, Pennsylvania : part 1, coal crop lines, mined-out areas, and structure contours /

Bibliographic Details
Corporate Author: Pennsylvania. Bureau of Topographic and Geologic Survey
Other Authors: Dodge, Clifford H.
Format: Book
Language:English
Published: Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1985.
Series:Mineral resource report ; 89, pt. 1.
Subjects:

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