Preferential rating of duck food plants
By: [by] Frank C. Bellrose, Jr. [and] Harry G. Anderson.  Printed by authority of the state of Illinois.
Contributors: Anderson, Harry George, 1910- joint author.
Published: 1943
Place of publication: Urbana, Ill
Language: eng
Number of pages: 433
Subjects: Ducks.; Birds -- Food.; Freshwater plants -- Illinois Valley.; Lakes -- Illinois.
Notes: "Literarure cited": p. 433.
At head of title: State of Illinois.  Dwight H. Green, governor. Department of Registration and Education.  Frank G. Thompson, director. Natural History Survey Division.  Theodore H. Frison, chief.
With, as issued: Yeatter, R. E.  The prairie chicken in Illinois. Urbana, Ill., 1943.