Anthracite mechanical mining investigations

Author: Allan, Andrew.
Additional Authors: Kaar, Paul H., Cooner, John D.
Year: 1953
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4946
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4946
Subject: Anthracite coal industry
Link: https://hdl.handle.net/2027/mdp.39015078492876

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