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1968. "Helicopter aerial spraying." Probably western hemlock looper control project on the Mt. Baker National Forest in Washington. (37004670322)
Summary
"Helicopter aerial spraying."
Probably the Sonny Boy Creek western hemlock looper control project on the Mt. Baker National Forest in Washington.
Photo by: Unknown
Date: 1968
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.
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" 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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