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Preparation of thin sections of coal

Annual report of research and technologic work on coal, fiscal year 1937

Annual report of research and technologic work on coal fiscal year 1938

Spontaneous combustion of coal

Annual report of research and technologic work on coal, fiscal year 1940

Annual report of research and technologic work on coal, fiscal year 1939

The various B.T.U. values of a coal

Annual report of research and technologic work on coal :fiscal year 1944

Annual report of research and technologic work on coal :fiscal year 1945

What is coal?

Annual report of research and technologic work on coal :fiscal year 1947

Annual report of research and technologic work on coal :fiscal year 1948

Annual report of research and technologic work on coal :fiscal year 1949

Coal-chemical materials produced at coke plants in the United States, 1948-57

Coal chemicals for world markets

Comparative evaluation of coking properties of four coals

Rare elements in coal

Mechanical properties and cutting characteristics of coal

Laboratory studies on spontaneous heating of coal :a summary of information in the literature


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