Item R1504224A Biological Survey of North Dakota. NAF #49
U.S. Department of Agriculture, 1926. Status: Out of print First edition. Paperback. 1926. Original wrappers worn with spots. Corners of some pages dog-eared. Foldied map. A Biological Survey of North Dakota: I. Physiography and Life Zones. II. The Mammals. North American Fauna No. 49.