Waterfowl populations and the changing environment of the Illinois River Valley
By: Frank C. Bellrose, Fred L. Paveglio, Jr., Donald W. Steffeck.
Contributors: Paveglio, Fred L.; Steffeck, Donald W.
Series: Bulletin / Illinois Natural History Survey,; v. 32, article 1; Bulletin (Illinois Natural History Survey Division) ;; v. 32, article 1.
Publisher: State of Illinois, Illinois Institute of Natural Resources, Natural History Survey Division
Published: 1979
Place of publication: Urbana, Ill
Language: eng
Number of pages: 54
Subjects: Waterfowl -- Habitat -- Illinois -- Illinois River Valley.; Bird populations -- Illinois -- Illinois River Valley.; Birds -- Habitat -- Illinois -- Illinois River Valley.; Illinois River Valley (Ill.)
Notes: Bibliography: p. 51.
"August 1979."
Includes index.