Coal resources of Butler County, Pennsylvania
By: by Elmer D. Patterson and J.A. Van Lieu.
Contributors: Van Lieu, J. A., joint author.; Pennsylvania. Topographic and Geologic Survey.
Series: Geological Survey bulletin 1143-C.; Coal resources of western Pennsylvania; Geological Survey bulletin ;; 1143-C.; Coal resources of western Pennsylvania.
Publisher: U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 43
Subjects: Coal -- Geology -- Pennsylvania -- Butler Co.
Notes: Bibliography: p. 41-43.
Part of illustrative matter in pocket.
Prepared in cooperation with the Pennsylvania Geological Survey.