GEOLOGY
Campbell, Marius R. Guidebook to the Western United States. Washington, Government Printing Office, 1915. 212 p. (U. S. Geological Survey, Bull. 611.) Part A, Northern Pacific Railway route, with a side trip to the Yellowstone Park.
Hard, Herbert A. Soil and Geological Survey of North Dakota; with a history of Barnes County by Katherine Hard, and a chapter on flora of North Dakota by Herbert F. Bergman. Bismarck, Tribune Publishing Company, 1912. o. p. 372 p. il. Sixth biennial report of the State agricultural college geologic survey.
Leonard, A. G. North Dakota Geological Survey. Bismarck, Tribune Publishing Company, 1906-27. o. p. V. 2, 3, 4, 5. Reports written and edited by the late Dr. Leonard while he was State geologist.
Leonard, A. G. Bismarck Folio. Washington, Government Printing Office, 1912. 8 p. il. (U. S. Geological Survey, Geologic Atlas of the U. S., Folio 181.)
Simpson, Howard E. Geology and Ground Water Resources of North Dakota. Washington, Government Printing Office, 1929. 312 p. (U. S. Geological Survey.) Contains, besides a general summary survey, a detailed description of each county.
Upham, Warren. Glacial Lake Agassiz. Washington, Government Printing Office, 1895. 658 p. il. (U. S. Geological Survey, v. 25.) A description of the glacier which once covered North Dakota, and the results it had upon the surface of the State; also tells of plant and animal life in the Red River Valley.
Willard, Daniel Everett and Hall, Charles M. Casselton-Fargo Folio. Washington, Government Printing Office, 1905. 9 p. il. (U. S. Geologic Atlas of the U. S., Folio 117.)
Willard, Daniel Everett. Jamestown-Tower Folio, Jamestown, Eckelson and Tower Quadrangles. Washington, Government Printing Office, 1909. 10 p. il. (U. S. Geological Survey, Geologic Atlas of the U. S., Folio 168.)
Willard, Daniel Everett. Story of the Prairies. St. Paul, Webb Publishing Company, 1909. 265 p. il. Study of geology and physical characteristics of the State by a former professor of geology at the agricultural college.