Books by Jill A. Whelan:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Whelan, Jill A.: Dead trees used by cavity-nesting birds on the Fraser Experimental Forest : a case history (Forest Service, U.S. Dept. of Agriculture, Rocky Mountain Forest and Range Experiment Station, 1978), also by Virgil E. Scott, Robert R. Alexander, and Colo.) Rocky Mountain Forest and Range Experiment Station (Fort Collins (page images at HathiTrust)- Whelan, Jill A: Ecology and management of the bullfrog (U.S. Fish and Wildlife Service :, 1984), also by R. Bruce Bury (page images at HathiTrust)
- Whelan, Jill A.: Responses of birds and small mammals to clearcutting in a subalpine forest in central Colorado (USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1982), also by Virgil E. Scott, Glenn LeRoy Crouch, and Colo.) Rocky Mountain Forest and Range Experiment Station (Fort Collins (page images at HathiTrust)
Find more by Jill A. Whelan at your library, or elsewhere.