1943. Deterioration of fire-killed Douglas-fir. Cross-section 30 inches diameter inside bark (DIB) at 75 feet above base. Showing 6-7 inches penetration by Asemum and Criocephalus. T1S; R6W; Section 2. Tillamook Burn, Oregon.
Deterioration of fire-killed Douglas-fir. Cross-section 30 inches diameter inside bark (DIB) at 75 feet above base. Showing 6-7 inches penetration by Asemum and Criocephalus. T1S; R6W; Section 2. Tillamook Burn, Oregon.
Photo by: Robert L. Furniss
Date: May 18, 1943
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Portland Station Collection; La Grande, Oregon.
Image: PS-633
To learn more about this photo collection see:
Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185.
For additional historical 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
1943. Deterioration of fire-killed Douglas-fir. Cross-section 30 inches diameter inside bark (DIB) at 75 feet above base. Showing 6-7 inches penetration by Asemum and Criocephalus. T1S; R6W; Section 2. Tillamook Burn, Oregon.
Deterioration of fire-killed Douglas-fir. Cross-section 30 inches diameter inside bark (DIB) at 75 feet above base. Showing 6-7 inches penetration by Asemum and Criocephalus. T1S; R6W; Section 2. Tillamook Burn, Oregon.
Photo by: Robert L. Furniss
Date: May 18, 1943
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Portland Station Collection; La Grande, Oregon.
Image: PS-633
To learn more about this photo collection see:
Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185.
For additional historical 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