Carbonizing Properties and Petrographic Composition of No. 1-bed Coal from Bell No. 1 Mine, Sturgis, Crittenden County, Ky: And the Effect of Blending this Coal with Pocahontas No. 3- and No. 4-bed Coals
Joseph Dana Davis · Dewey A. Reynolds · Ralph Emmet Brewer · George C. Sprunk · Lawrence Delos Schmidt
1941 оны 1-р сар · U.S. Department of the Interior, Bureau of Mines