Selected geologic factors affecting mining of the Pittsburgh coalbed

Other Authors: McCulloch, C. M., United States. Bureau of Mines.
Format: Electronic
Language: English
Published: [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1975]
Physical Description: iii, 72 pages : digital, PDF file.
Series: Report of investigations (United States. Bureau of Mines) ; 8093.
Subjects:
Online Access: https://purl.fdlp.gov/GPO/LPS98445
https://purl.fdlp.gov/GPO/LPS98445

CMU Gov Pub Electronic

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CMU Gov Pub Electronic HE 20.7131:8093 Available