The northern spotted owl: central Cascades demography study

Cascade Center for Ecosystem Management. 1997. The northern spotted owl: central Cascades demography study. Corvallis, OR: Department of Forest Science, Oregon State University; Corvallis, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station; Blue River, OR: Blue River Ranger District, Willamette National Forest. 2 p. Project summary. On file with: Cascade Center for Ecosystem Management, Oregon State University, Department of Forest Science, Forestry Sciences Laboratory, 3200 SW Jefferson Way, Corvallis, OR 97331.