Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes /

Bibliographic Details
Main Author: Kertis, Carla A.
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Published: [Pittsburgh, Pa.] : U.S. Dept. of the Interior, Bureau of Mines, [1985]
Series:Report of investigations (United States. Bureau of Mines) ; 8987.
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Call Number: HE 20.7131:8987
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HE 20.7131:8987 Available