Plant association and management guide for the Pacific silver fir zone :
Gifford Pinchot National Forest /
Dale G. Brockway ... [et al.].

APA Citation

Brockway, D. G., United States. Forest Service. Pacific Northwest Region. (1983). Plant association and management guide for the Pacific silver fir zone: Gifford Pinchot National Forest. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region.

MLA Citation

Brockway, Dale G, and United States. Forest Service. Pacific Northwest Region. Plant Association And Management Guide for the Pacific Silver Fir Zone: Gifford Pinchot National Forest. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1983.