Seventh annual Coal Preparation, Utilization, and Environmental Control Contractors Conference
Subtitle: proceedings
By: sponsored by U.S. Department of Energy, Pittsburgh Energy Technology Center.
Contributors: Pittsburgh Energy Technology Center.; United States. Dept. of Energy.
Publisher: U.S. Dept. of Energy Pittsburgh Energy Technology Center
Published: 1991
Place of publication: [Pittsburgh
Language: eng
Number of pages: 594
Subjects: Coal -- Congresses.; Coal preparation -- Congresses.