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
резрепрейреп рдЬрдирд╡рд░реА ┬╖ U.S. Government Printing Office