File:1923. A group of four ponderosa pine killed by western pine beetle in 1921. Trees treated in 1922 next to them. Southern Oregon Northern California (SONC) control project. Klamath Indian Reservation. (32764800754).jpg
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[edit]Description1923. A group of four ponderosa pine killed by western pine beetle in 1921. Trees treated in 1922 next to them. Southern Oregon Northern California (SONC) control project. Klamath Indian Reservation. (32764800754).jpg |
A group of four ponderosa pine killed by western pine beetle in 1921. Trees treated in 1922 next to them. Southern Oregon Northern California (SONC) control project. Klamath Indian Reservation. Photo by: F.P. Keen Date: June 12, 1923 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology and F.P. Keen Collections; La Grande, Oregon. Image: BUR-3237 and FPK-23 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> 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" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a> |
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Source | 1923. A group of four ponderosa pine killed by western pine beetle in 1921. Trees treated in 1922 next to them. Southern Oregon Northern California (SONC) control project. Klamath Indian Reservation. |
Author | R6, State & Private Forestry, Forest Health Protection |
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[edit]Public domainPublic domainfalsefalse |
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This image is a work of the Forest Service of the United States Department of Agriculture. As a work of the U.S. federal government, the image is in the public domain.
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This image, originally posted to Flickr, was reviewed on 17 September 2018 by the administrator or reviewer Well-Informed Optimist, who confirmed that it was available on Flickr under the stated license on that date. |
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