File:1963. Clam digger watches return of helicopter for another load of Bt spray. Willapa Bay, WA. (32277738843).jpg

Willapa Bay clam digger watches the return of helicopter for another load of Bt spray. Long Island in the background. Western hemlock looper control project. Willapa Bay, Washington.

Photo by: Jim Hughes Date: July 1963

Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6 Forest Health Protection historic files, located at the Mt. Hood National Forest in Sandy, Oregon. Image: V-16

For more information about this field test of Bt on Long Island see: <a href="https://archive.org/details/CAT92272778" rel="nofollow">archive.org/details/CAT92272778</a> Carolin, V.M. and C.G. Thompson. 1967. Field testing Bacillus thuringiensis for control of western hemlock looper. Research Paper PNW-38. Portland, OR: USDA Forest Service, Pacific Northwest Forest and Range Experiment Station. 26 p.

For additional information about this project see: <a href="https://archive.org/details/CAT10507172" rel="nofollow">archive.org/details/CAT10507172</a> Buffam, P.E. 1963. Plan for the technical direction of the 1963 western hemlock looper control project in southwest Washington. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. 20 p.

For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: <a href="http://wfiwc.org/content/history-and-resources" rel="nofollow">wfiwc.org/content/history-and-resources</a>

Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: <a href="http://www.fs.usda.gov/main/r6/forest-grasslandhealth" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a>

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