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Relative spontaneous heating tendencies of coals
The second underground gasification experiment at Gorgas, Ala.,
Field-scale experiments in underground gasification of coal at Gorgas, Ala. :use of electrolinking-carbonization as a means of site preparation
Technology and use of lignite.Proceedings: Bureau of Mines-University of North Dakota Symposium, Grand Forks, N. Dak., April 29-30, 1965
Technology and use of lignite :proceedings, Bureau of Mines - University of North Dakota Symposium, Grand Forks, N. Dak., April 27-28, 1967
Technology and use of lignite :proceedings: Bureau of Mines-University of North Dakota Symposium, Grand Forks, N. Dak., May 1-2, 1969