File:1952. BEPQ Cessna 170-B on Douglas-fir bark beetle blowdown reconnaissance survey. Willamette NF, OR. (33705885686).jpg

Bureau of Entomology and Plant Quarantine Cessna 170-B survey plane on reconnaissance survey over the Willamette National Forest. Douglas-fir bark beetle blowdown survey.

Photo by: Thomas C. Adams Date: August 1952

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection Collection: Portland Station Collection; La Grande, Oregon Image: PS-990

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 about the 1952 survey 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: <a href="https://www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-diseases/?cid=stelprdb5286951" rel="nofollow">www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-...</a>

For related historic program documentation see: <a href="https://archive.org/details/AerialForestInsectAndDiseaseDetectionSurveysInORandWA19472016TheSurveyHighRes" rel="nofollow">archive.org/details/AerialForestInsectAndDiseaseDetection...</a> 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.

Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: <a href="https://www.fs.usda.gov/main/r6/forest-grasslandhealth" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a>

This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. English ∙ español ∙ Nederlands ∙ slovenščina ∙ Tiếng Việt ∙ македонски ∙ русский ∙ українська ∙ 日本語 ∙ +/−