Norman E. Johnson examining Douglas-fir beetle population in windfall. McDonald Tree Farm, Washington.
Photo by: Wally C. Guy
Date: October 1959
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Portland Station Collection; La Grande, Oregon.
Image: PS-2285
For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:
wfiwc.org/content/history-and-resources Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth
