Carbonizing properties and petrographic composition of Hazard no. 4 coal from Columbus no. 4 mine and high-temperature carbonizing properties of Hazard no. 7 coal from Hardburly mine, Perry county, Ky. /
by J.D. Davis, D.A. Reynolds, W.H. Ode, C.R. Holmes, J.L. Elder, and J.E. Wilson.

APA Citation

Wilson, J. E., Elder, J. L., Holmes, C. R., Ode, W. H. (William Harlan)., Reynolds, D. A. (Dewey A.)., Davis, J. D. (Joseph Dana). (1945). Carbonizing properties and petrographic composition of Hazard no. 4 coal from Columbus no. 4 mine and high-temperature carbonizing properties of Hazard no. 7 coal from Hardburly mine, Perry county, Ky.. Washington, D.C.: U.S. Govt. Print. Off., Bureau of Mines.

MLA Citation

Davis, J. D. (Joseph Dana), et al.. Carbonizing Properties And Petrographic Composition of Hazard No. 4 Coal From Columbus No. 4 Mine And High-temperature Carbonizing Properties of Hazard No. 7 Coal From Hardburly Mine, Perry County, Ky.. Washington, D.C.: U.S. Govt. Print. Off., Bureau of Mines, 1945.