Underground coal mine lighting handbook, (in two parts).

Author: Lewis, W. H.
Year: 1986
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 9074
Subjects: Mine lighting
Coal mines and mining
Link: https://hdl.handle.net/2027/mdp.39015078470336

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