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Analyses of tipple and delivered samples of coal :collected during fiscal year 1972
Analyses of tipple and delivered samples of coalcollected during fiscal year 1973
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Published Year
1970-1979 (2)
Subject
Coal--Analysis (2) *
Tipples--Analysis (1)
Author
Janus, John B. (2)
Shirley, B. S. (2) *
