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Microscopic and petrographic studies of certain American coals,
Carbonizing properties of western region interior province coals and certain blends of these coals
Analyses of ash from coals of the United States
Coal-research activities of the Bureau of Mines
Annual report of research and technologic work on coal :fiscal year 1950
Annual report of research and technologic work on coal :fiscal year 1951
Annual report of research and technologic work on coal and related investigations :fiscal year 1952
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
Evaluation of an acid-extraction method for determining mineral matter in American coals
Bureau of mines research and technologic work on coal, 1960
Bureau of mines research and technologic work on coal, 1959
Production of mineral fuels and hydropower in the United States since 1800
Bureau of mines research and technologic work on coal, 1962
Bureau of mines research and technologic work on coal, 1961
Bureau of Mines research and technologic work on coal, 1963
Bureau of mines research and technologic work on coal, 1964
Sulfur content of United States coals
Major ash constituents in U.S. coals
Prediction of coke strength of American coals by the Ruhr dilatometer method