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1975. Cindy Henry, Wade Glandon, and Merrie Shaw. Western spruce budworm larvae post-spray mortality count. Twisp, Washington. (36986843406)

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1975. Cindy Henry, Wade Glandon, and Merrie Shaw. Western spruce budworm larvae post-spray mortality count. Twisp, Washington. (36986843406)

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Cindy Henry, Wade Glandon, and Merrie Shaw. Western spruce budworm larvae post-spray mortality count. Twisp, Washington.
Photo by: Dave McComb
Date: 1975
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.
Source: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon.
For more information about 1975 budworm spray tests see: <a href="https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026567.pdf" www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026567.pdf</a>
and <a href="https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026450.pd" www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026450.pd</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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1975
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