Coal resources of Allegheny County, Pennsylvania
Subtitle: part 1, coal crop lines, mined-out areas, and structure contours
By: compiled by Clifford H. Dodge.
Contributors: Dodge, Clifford H.; Pennsylvania. Bureau of Topographic and Geologic Survey
Series: Mineral resource report -- 89, pt. 1
Publisher: Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey
Published: 1985
Place of publication: Harrisburg
Language: eng
Number of pages: 68
Subjects: Coal -- Pennsylvania -- Allegheny County.; Coal -- Geology -- Pennsylvania -- Allegheny County.
Other titles: Coal crop lines, mined-out areas, and structure contours
Notes: "Pennsylvania Geological Survey, Fourth series."

Bibliography: p. 2-4.