Browse TRAIL Inventories

Annual report of research and technologic work on coal and related investigations :fiscal year 1952

Determination of moisture-holding capacity (bed moisture) of coal for classification by rank

Carbonizing Properties: Tennessee Coals from the Jellico Bed in Campbell County and the Sewanee Bed in Marion County

The international systems of hard-coal classification and their application to American coals

Evaluation of an acid-extraction method for determining mineral matter in American coals


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