Bird exclosures for branches and whole trees /
prepared by United States Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station ; Robert W. Campbell ... [et al.].

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Related Names
Campbell, Robert W.
Canada/United States Spruce Budworms Program.
Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Language(s)
English
Published
Portland, Or. : The Station ; [1981]
Subjects
Birdcages
Note
"Canusa, Canada/United States Spruce Budworms Program."
"April 1981."
Physical Description
10 p. : ill. ; 28 cm.
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Full view   no.125 University of Illinois at Urbana-Champaign