File:1948. Walter J. Buckhorn shooting a line-gun to mark aerial spray block boundaries. Western spruce budworm control project. Kinzua, Oregon. (33643361826).jpg
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editDescription1948. Walter J. Buckhorn shooting a line-gun to mark aerial spray block boundaries. Western spruce budworm control project. Kinzua, Oregon. (33643361826).jpg |
Walter J. Buckhorn shooting a line-gun to mark aerial spray block boundaries. Western spruce budworm control project. Kinzua, Oregon. Note: "W.J. Buckhorn of the Forest Insect Laboratory, Portland, Ore. is shown ... demonstrating a line-throwing gun which he developed for use in marking treetops to guide airplane pilots in spraying operations. Using an 1873 model Army Springfield, .45-.70 caliber; a foot long, six ounce brass projectile is fired from the sawed-off barrel over the top of the tree to be marked. Next the line is used to hoist a paint bomb made from a waxed paper ice cream container filled with paint in which a capped quarter stick of dynamite is placed. Electrically detonated, the bomb splatters paint over the treetop in a manner that is readily visible [from the air]." From: Journal of Forestry. 1949. Forestry News. 47(6):517 Photo by: Olsen Date: 1948 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-6012 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 Walter J. Buckhorn and this photo 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 further information about historical western spruce budworm activity and control projects see: Dolph, Robert E. 1980. Budworm activity in Oregon and Washington, 1947-1979. R6-FIDM-033-1980. Portland, OR: US Dept. of Agriculture, Forest Service, Pacific Northwest Region, Forest Insect and Disease Management. 54 p. For related historical program information 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. 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, Region 6, 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 | 1948. Walter J. Buckhorn shooting a line-gun to mark aerial spray block boundaries. Western spruce budworm control project. Kinzua, Oregon. | ||||
Author | R6, State & Private Forestry, Forest Health Protection |
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This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. 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@N05/33643361826 (archive). It was reviewed on 8 May 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
8 May 2018
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