Pacific Northwest Research Station (Portland, Or.) text Portland, Or Pacific Northwest Research Station 1998- monographic PNW, Pacific Northwest Research Station Title from caption (viewed Mar. 14, 2001) Pacific Northwest Research Station (Portland, Or.) Forest Management Environmental aspects Lumber trade Environmental aspects A 13.66/19: A 13.66/19: http://purl.access.gpo.gov/GPO/LPS3859 http://purl.access.gpo.gov/GPO/LPS3859 20160527183715.0 299919