Friability, grindability, chemical analyses, and high- and low-temperature carbonization assays of Alabama coals /
by E.S. Hertzog, J.R. Cudworth, W.A. Selvig, and W.H. Ode.

APA Citation

Ode, W. H. (William Harlan)., Selvig, W. A. (Walter Alfred)., Cudworth, J. Rowland., Hertzog, E. S. (1940). Friability, grindability, chemical analyses, and high- and low-temperature carbonization assays of Alabama coals. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Ode, W. H. (William Harlan), 1905-, W. A. (Walter Alfred) Selvig, James Rowland Cudworth, and Ellis S Hertzog. Friability, Grindability, Chemical Analyses, And High- And Low-temperature Carbonization Assays of Alabama Coals. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1940.