Mine illumination :proceedings

Additional Authors: Lewis, W. H., Whitehead, K. L.
Year: 1982
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8886
Series: Information circular ;
Report Number: 8886
Subject: Mine lighting--Congresses
Link: https://hdl.handle.net/2027/mdp.39015078461749

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