Analyses of tipple and delivered samples of coal :collected during fiscal year 1970

Year: 1971
Document Type: BMRA
Issuing Agency: U.S. Dept. of Interior, Bureau of Mines,
SUDOC: I 28.23:7490
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 7490
Subject: Coal--Analysis
Link: https://hdl.handle.net/2027/mdp.39015078478180

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