Bob Stevens and John Lanz on the left. 1952 Blowdown and Bark Beetle Survey. Oregon.

Photo by: Unknown Date: 1952

Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection, Aerial Survey Program slide collection.

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: <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.

For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: <a href="http://wfiwc.org/content/history-and-resources" rel="nofollow">wfiwc.org/content/history-and-resources</a>

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 ∙ +/−