File:1950. W.J. Buckhorn demonstrates the first step for recovery of hemlock looper eggs. BEPQ. Portland, Oregon. (33335357631).jpg
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Description1950. W.J. Buckhorn demonstrates the first step for recovery of hemlock looper eggs. BEPQ. Portland, Oregon. (33335357631).jpg |
Walter J. Buckhorn demonstrating the first moss-pulverizing step for recovery of western hemlock looper eggs. Bureau of Entomology and Plant Quarantine. Portland, Oregon. Photo by: J. Huber Date: November 22, 1950 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-912 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 historic 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> For related historic program documentation see: <a href="https://archive.org/details/AerialForestInsectAndDiseaseDetectionSurveysInORandWA19472016TheSurveyHighRes" rel="nofollow">archive.org/details/AerialForestInsectAndDiseaseDetection...</a> Johnson, J. 2016. Aerial forest insect and disease detection surveys in Oregon and Washington 1947-2016: The survey. Gen. Tech. Rep. R6-FHP-GTR-0302. Portland, OR: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. 280 p. 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 | 1950. W.J. Buckhorn demonstrates the first step for recovery of hemlock looper eggs. BEPQ. Portland, Oregon. |
Author | R6, State & Private Forestry, Forest Health Protection |
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Public domainPublic domainfalsefalse |
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@N05/33335357631 (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. |
3 May 2018
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