Dave Johnson with a healthy Douglas-fir. Beaver Creek Seed Orchard. Philomath, Oregon.
Photo by: John Wortendyke
Date: 1971
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.
Collection: Region 6, Forest Health Protection slide collection; Regional Office; Portland, Oregon.
Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth