Waterfowl migration corridors east of the Rocky Mountains in the United States
By: [by] Frank C. Bellrose.
Series: Illinois. Natural History Survey. Biological notes,; no. 61; Biological notes ;; no. 61.
Publisher: State of Illinois, Natural History Survey Division
Published: 1968
Place of publication: Urbana
Language: eng
Number of pages: 24
Subjects: Waterfowl -- United States.; Birds -- Migration.; Birds -- United States.
Notes: Bibliography: p. 23-24.