A pilot plant for treatment of culm bank material; report on project.
APA Citation
Heyl & Patterson, I., Pennsylvania. Dept. of Mines and Mineral Industries. (1965). A pilot plant for treatment of culm bank material; report on project. Pittsburgh.
MLA Citation
Heyl & Patterson, Inc, and Pennsylvania. Dept. of Mines and Mineral Industries. A Pilot Plant for Treatment of Culm Bank Material; Report On Project. Pittsburgh, 1965.
Warning: These citations may not always be complete (especially for serials).