Search U.S. government technical reports digitized or harvested by TRAIL.
Review of Bureau of Mines coal program,1965
Pneumatic transportation of solidsproceedings: Institute of Gas Technology - Bureau of Mines Symposium, Morgantown, W. Va., October 19-20, 1965
Fly ash utilization :proceedings, Edision Electric Institute - National Coal Association - Bureau of Mines Symposium, Pittsburgh, Pennsylvania, March 14-16, 1967
Review of Bureau of Mines coal program, 1967
Review of Bureau of Mines Coal Program, 1968