Actions for A preliminary investigation into the application of coal petrography in the blending of anthracite and bituminous coals for the production of metallurgical coke
A preliminary investigation into the application of coal petrography in the blending of anthracite and bituminous coals for the production of metallurgical coke / by Bruce Donald Middleton, Katsuya Inouye, and William Spackman
At head of title: Special report of research conducted in Dept. of Geology, College of Mineral Industries, The Pennsylvania State University. An investigation conducted under the auspices of the Coal Research Board of the Commonwealth of Pennsylvania. Contract no. CR-11.