Biological investigation in Alaska and Yukon territory. I. East Central Alaska. II. The Ogilvie range, Yukon. III. The Macmillan River, Yukon.
By Wilfred H. Osgood ...
- Washington, Govt. print. off., 1909.
- 96 p. incl. 2 maps. VI pl. incl. front. (map) 23 cm.
- North American fauna, no. 30 .