1945. Adjusting spinner brush. Hemlock looper control project. Clatsop County, Oregon. (33725560825)

Adjusting spinner brush. Western hemlock looper control project. Clatsop County, Oregon.
Photo by: Osborne
Date: June 14, 1945
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Bureau of Entomology Collection; La Grande, Oregon.
Image: BUR-6965
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 more information about this project see:
<a href="Internet Archive scan su1945ddt00unit" archive.org/details/su1945ddt00unit</a>
Craighead, F.C. and R.C. Brown. 1945. Summary of 1945 DDT investigations for control of forest insects with special reference to aerial applications. USDA Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, Division of Forest Insect Investigations. 15 p.
For related historical program information see:
<a href="Internet Archive scan AerialForestInsectAndDiseaseDetectionSurveysInORandWA19472016TheSurveyHighRes" 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 historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: <a href="http://wfiwc.org/content/history-and-resources" wfiwc.org/content/history-and-resources</a>
Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: <a href="https://www.fs.usda.gov/main/r6/forest-grasslandhealth" www.fs.usda.gov/main/r6/forest-grasslandhealth</a>

Public domainPublic domainfalsefalse

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.

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