Testing modified coal-cutting bit designs for reduced energy, dust, and incendivity

Author: Roepke, Wallace W.
Additional Authors: Hanson, Bruce D.
Year: 1983
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:8801
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 8801
Subject: Coal-cutting bits--Testing
Link: https://hdl.handle.net/2027/mdp.39015078477356

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