Carbonizing Properties and Petrographic Composition of Lower Banner-bed Coal from Keen Mountain Mine, Buchanan County, Va: And the Effect of Blending this Coal with Pittsburgh-bed (Warden Mine) Coal
Arno Carl Fieldner · Joseph Dana Davis · Dewey A. Reynolds · Ralph Emmet Brewer · George C. Sprunk · Lawrence Delos Schmidt
1940年1月 · U.S. Department of the Interior, Bureau of Mines