B. = bibliography
THE NATURAL SETTING
GEOGRAPHY
Wemett, William Marks. Geography of North Dakota. Fargo, Northern School Supply, 1929. 230 p. il. A travel sketch of North Dakota in textbook form.
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.