Cavity- nesting birds of North American Forests. U. S. Dep. Agric, Agric. Handbk. 511, 112 p. U. S. Department of Agriculture, Forest Service. 1977. Forest Service Manual, Title 2630.3 (Policy), Wildlife Management. Wahlgren, H. E., Rolandanbsp;...
Title | : | Dead trees used by cavity-nesting birds on the Fraser Experimental Forest |
Author | : | Virgil E. Scott, Jill A. Whelan, Robert R. Alexander, Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) |
Publisher | : | - 1978 |
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