The relation of mallard nest numbers on constructed islands to upland habitat and mallard breeding pairs in North Dakota
By: by A. L. Dahl ... [et al.].
Contributors: Dahl, Ann Louise.
Publisher: North Dakota Game and Fish Dept.
Published: 1999
Place of publication: Bismarck, N.D
Language: eng
Number of pages: 112
Subjects: Mallard -- North Dakota.; Waterfowl management -- North Dakota.
Notes: Includes bibliographical references (p. 44-46).