File:1922. Compassman at work in the field. Western pine beetle control. Number 3. Southern Oregon Northern California control project. (33479007721).jpg

Compassman at work in the field. Western pine beetle control. Forest Service staff compasses were used. Compass lines were run through the sections at intervals of 10 chains. A spotter accompanied the compassman on each side. Infested trees were marked and spots were located on 4-inch scale section plots by compassman. Physical features, broods, trails, and springs were also spotted by compassman. Number 3. Southern Oregon Northern California beetle control project.

Photo by: J.E. Patterson Date: June 1922

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2306

To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185.

For related historical information see: <a href="https://www.treesearch.fs.fed.us/pubs/21476" rel="nofollow">www.treesearch.fs.fed.us/pubs/21476</a> Wickman, Boyd E. 2005. Harry E. Burke and John M. Miller, pioneers in Western forest entomology. General Technical Report. PNW-GTR-638. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 163 p.

For additional historical 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>