Sign: Caution Aerial Spraying Ahead. Douglas-fir tussock moth control project. Umatilla and Wallowa-Whitman National Forests, Oregon.

Photo by: Unknown Date: 2000

Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Forest Health Protection; Regional Office digital file collection.

For an overview of this project see: <a href="https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026421.pdf" rel="nofollow">www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_026421.pdf</a>

For addtional information about this project, see: Greear, N. 2000. Douglas-fir Tussock Moth Final Report. USDA Forest Service, PNW Region, Umatilla and Wallowa-Whitman National Forests. Report Number: BMPMSC-01-04. 84 p. <a href="https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5376212.pdf" rel="nofollow">www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5376212.pdf</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 ∙ +/−