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.
Contributors: Davis, J.; Reynolds, D.; Ode, W.
Series: Technical paper (United States. Bureau of Mines) -- 672
Publisher: s.n
Published: 1945
Place of publication: S.l
Language: eng
Notes: 1