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Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1951)
Determination of moisture in low-rank coals
Determination of moisture-holding capacity (bed moisture) of coal for classification by rank
Analyses of tipple and delivered samples of coal (collected during the fiscal year 1952)
Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1953)
Carbonizing tests with Tuscaloosa oven 1952-53
Washability characteristics of coals from the Black Mesa Field, Ariz.
Analyses of tipple and delivered samples of coal :collected during fiscal year 1954
Analyses of tipple and delivered samples of coal :collected during fiscal year 1955
Washability characteristics of coal from San Juan County, N. Mex.
Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1958)
Evaluation of an acid-extraction method for determining mineral matter in American coals