Carbonizing Properties and Petrographic Composition of Sewell Bed Coal from Wyoming Mine, Wyoming County, W. Va., and the Effect of Blending this Coal with Alma Bed Coal: Part 1
Arno Carl Fieldner · Joseph Dana Davis · Walter Alfred Selvig · Ralph Emmet Brewer · Clarence Raymond Holmes · Dewey A. Reynolds · George C. Sprunk
1939 оны 1-р сар · U.S. Government Printing Office