Theses/Dissertations from 1932
Studies in the Development of North Dakota Lignite, Arthur William Koth
Theses/Dissertations from 1931
Studies in the Development of Dakota Lignite, Albert M. Cooley
Theses/Dissertations from 1930
The Ignition Temperature of North Dakota Lignite, George Anthony Brady
Further Studies in the Carbonization of North Dakota Lignite, James Roscoe Taylor