Constructing wooden boxes for cavity-nesting birds
By: Howard L. Gary and Meredith J. Morris.
Contributors: Morris, Meredith J., 1922-; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 381.
Publisher: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1980
Place of publication: [Fort Collins, Colo.]
Language: eng
Subjects: Birds -- Eggs.
Notes: Caption title.

"January 1980."

Bibliography: p. 7.