File:1920. Sun-curing ponderosa pine bark for western pine beetle control in ponderosa pine. San Joaquin experimental project. Sierra National Forest, California. (35960067470).jpg
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Sun-curing ponderosa pine bark for western pine beetle control in ponderosa pine. San Joaquin experimental project. Sierra National Forest, California. Photo by: J.M. Miller Date: 1920 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2554 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 more about the San Joaquin project, see: Miller, John Martin, and Frederick Paul Keen. Biology and control of the western pine beetle: a summary of the first fifty years of research. No. 800. US Department of Agriculture, 1960. p. 319-321 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> |
| Date | |
| Source | 1920. Sun-curing ponderosa pine bark for western pine beetle control in ponderosa pine. San Joaquin experimental project. Sierra National Forest, California. |
| Author | R6, State & Private Forestry, Forest Health Protection |
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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 22 August 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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| current | 15:32, 7 May 2018 | | 1,759 × 1,052 (598 KB) | OceanAtoll (talk | contribs) | Transferred from Flickr via #flickr2commons |
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