1991. Aerial insecticide spray nozzle. Wallowa-Whitman National Forest Douglas-fir tussock moth control project. Baker City, Oregon. (36362329063)

Aerial insecticide spray nozzle. Wallowa-Whitman National Forest Douglas-fir tussock moth control project. Baker City, Oregon.
Photo by: Unknown
Date: 1991
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.
Source: R6 FHP slide collection; Regional Office, Portland, Oregon
For more about the 1991 Douglas-fir tussock moth suppression project see: <a href="https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026590.pdf" www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026590.pdf</a>
For other R6 pesticide application project documentation see: <a href="https://www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-diseases/?cid=fsbdev2_027320" www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-...</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>

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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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