Demography of the Northern Spotted Owl proceedings of a workshop, Fort Collins, Colorado, December 1993

[Los Angeles] Cooper Ornithological Society 1996 .
122 p. 26 cm..
0935868836

Record of decision for amendments to the survey and manage, protection buffer, and other mitigation measure standards and guidelines in Forest Service and Bureau of Land Management planning documents within the range of the northern spotted owl

Portland, OR The Service 2001 .
1 v. (various pagings) , "January 2001." 28 cm..