Author
United States. Bureau of Mines
Bureau of Mines Technology Transfer Seminar
19
Bureau of Mines Technology Transfer Seminar Pittsburgh, Pa.)
5
Kube, Wayne R.
4
Lignite Symposium
4
Lignite Symposium University of North Dakota)
3
University of North Dakota
3
Bureau of Mines Technology Transfer Seminar Denver, Colo.)
2
Elder, J. L. 1909-
2
Elder, James L.
2
Evans, Robert J.
2
Fieldner, Arno Carl, 1881-1966
2
Hartmann, Irving, 1905-
2
International Conference of Directors of Mine Safety Research
2
Taylor, Charles D. 1946-
2
American Council for Reclamation Research
1
American Society for Surface Mining and Reclamation
1
Bureau of Mines Information and Technology Transfer Seminar
1
Bureau of Mines Information and Technology Transfer Seminar Minneapolis, Minn.)
1
Bureau of Mines Technology Transfer Seminar Chicago, Ill.)
1
Bureau of Mines Technology Transfer Seminar Denver, Colo., etc.)
1
Bureau of Mines Technology Transfer Seminar Denver, Colo.; Saint Louis, Mo.)
1
Bureau of Mines Technology Transfer Seminar Evansville, Ind.; Denver, Colo.)
1
Bureau of Mines Technology Transfer Seminar Minneapolis, Minn.; Birmingham, Ala.; Tucson, Ariz.)
1
Bureau of Mines Technology Transfer Seminar Phoenix, Ariz. and Salt Lake City, Utah)
1
Bureau of Mines Technology Transfer Seminar Pittsburgh, Pa. and Reno, Nev.)
1
Bureau of Mines Technology Transfer Seminar Pittsburgh, Pa., etc.)
1
Bureau of Mines Technology Transfer Seminar Pittsburgh, Pa.; Saint Louis, Mo.)
1
Bureau of Mines Technology Transfer Seminar Tucson, Ariz.)
1
Bush, Alfred Lerner, 1919-
1
Electric Furnace Conference
1
Friedman, Dorothy F.
1
Geological Survey (U.S.)
1
Goodwin, Aurel
1
Gottlieb, Sidney
1
Grant, Bruce F.
1
Hayes, Timothy Scott
1
Hyde, Garrett R.
1
Iannacchione, Anthony T.
1
Jacobson, M.
1
Larson, William C.
1
Mark, Christopher
1
Mid-continent Regional Conference on the Reclamation of Surface Mined Land for Outdoor Recreation
1
Mid-continent Regional Conference on the Reclamation of Surface Mined Land for Outdoor Recreation Denver, Colo.)
1
Midcontinent Industrial Minerals Workshop
1
Midcontinent Industrial Minerals Workshop St. Louis, Mo.)
1
Mine Safety Education and Training Seminar
1
Nagy, John
1
National Academy of Engineering
1
National Academy of Sciences (U.S.)
1
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