File:1932. Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. (34511768440).jpg
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Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. Photo by: F.P. Keen Date: May 27, 1932 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-8863 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 W.J. Buckhorn see: Furniss, M.M., 2000. Walter Julius Buckhorn (1899–1968)—Legendary Forest Entomologist, Not of the Classroom Kind. American Entomologist, 46(3), pp.133-140. 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 | 1932. Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. |
| Author | R6, State & Private Forestry, Forest Health Protection |
Licensing
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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 was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/34511768440 (archive). It was reviewed on 3 May 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
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| current | 23:39, 3 May 2018 | | 914 × 1,307 (271 KB) | MechQuester (talk | contribs) | Transferred from Flickr via #flickr2commons |
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