File:1933. James A. Beal with climbing spurs and rope, removing bark from Dendroctonus brevicomis (western pine beetle) infested tree for determination of emergence. Sisters, Oregon. (34203638103).jpg
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James A. Beal with climbing spurs and rope, removing bark from Dendroctonus brevicomis (western pine beetle) infested tree for determination of emergence. Sisters, Oregon. Photo by: James A. Beal and John M. Whiteside Date: June 1933 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-86 For further information see: Miller, J.M. and F.P. Keen. 1960. Biology and Control of the Western Pine Beetle. Misc. publication 800. USDA Forest Service, Pacific Southwest Forest and Range Experiment Station. 381 p. 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 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 | 1933. James A. Beal with climbing spurs and rope, removing bark from Dendroctonus brevicomis (western pine beetle) infested tree for determination of emergence. Sisters, Oregon. |
| 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 was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/34203638103 (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 | | 1,483 × 2,082 (636 KB) | MechQuester (talk | contribs) | Transferred from Flickr via #flickr2commons |
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