1976. Collecting foliage samples for larvae counts. Oregon-Washington western spruce budworm control project. (35260543393)

Collecting foliage samples for larvae counts. Oregon-Washington western spruce budworm control project.
Photo by: Unknown
Date: 1976
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, see the project report: 1976 Western spruce budworm control project Washington - Oregon. Forest Service, USDA. Pacific Northwest Region. <a href="https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026568.pdf" www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026568.pdf</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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