The reserve base of U.S. coals by sulfur content : 2. The Western States /
Hamilton, Patrick A.
The reserve base of U.S. coals by sulfur content : 2. The Western States / by Patrick A. Hamilton, D.H. White, Jr, and Thomas K. Matson. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975.] - [1] , 5-6 p. : graphs. - Information circular ; 8680 . - United States. Bureau of Mines. Information circular ; 8680. . - Information circular (United States. Bureau of Mines) ; 8680 .
91065003
Coal--Sulphur content.--United States
The reserve base of U.S. coals by sulfur content : 2. The Western States / by Patrick A. Hamilton, D.H. White, Jr, and Thomas K. Matson. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975.] - [1] , 5-6 p. : graphs. - Information circular ; 8680 . - United States. Bureau of Mines. Information circular ; 8680. . - Information circular (United States. Bureau of Mines) ; 8680 .
91065003
Coal--Sulphur content.--United States