Cessna 170-B aerial survey plane sketch mapping Douglas-fir beetle damage. Near Sutherlin, Oregon.

Photo by: Thomas C. Adams Date: July 1952

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-1011

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 information see: Greeley, A.W., Wright, K.H. and Pope, R.B. 1953. Final report on the 1952 blowdown bark beetle survey in the Douglas-fir region of Oregon and Washington. USDA Forest Service, Pacific Northwest Forest and Range Experiment Station. Portland Forest Insect Lab.

For geospatial data collected during annual aerial forest insect and disease detection surveys see: www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-...

For related historic program documentation see: archive.org/details/AerialForestInsectAndDiseaseDetection... Johnson, J. 2016. Aerial forest insect and disease detection surveys in Oregon and Washington 1947-2016: The survey. Gen. Tech. Rep. R6-FHP-GTR-0302. Portland, OR: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. 280 p.