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File:1950. Spray crew applying "goop" to infested tree. Engelmann spruce bark beetle control project. Arapaho NF, CO. (33517795506).jpg

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Spray crew applying "Goop" to an infested Engelmann spruce. The nozzleman directs the spray, seeing that all of the bark is thoroughly saturate. The pump man must adjust the pressure developed by the pump to the needs of the task - lots of pressure for reaching high, less for lower sections. Engelmann spruce bark beetle control project. Arapaho National Forest, Colorado.

Photo by: Leland J. Prater Date: 1950

Credit: National Archives and Records Administration RG# 95-GP. Records of the Forest Service. General Subject Files. USDA Forest Service Negative Number: 462734 NARA image: 95-GP-5033-Box0851_016_001_AC

For related information see: <a href="http://digitalcommons.usu.edu/barkbeetles/193/" rel="nofollow">digitalcommons.usu.edu/barkbeetles/193/</a> Massey, C.L. and N.D. Wygant. 1954. Biology and Control of Engelmann Spruce Beetle in Colorado. Circular Number 444. Washington DC: USDA Forest Service. 35 p.

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>

Image provide by USDA Forest Service, R6, 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 1950. Spray crew applying "goop" to infested tree. Engelmann spruce bark beetle control project. Arapaho NF, CO.
Author R6, State & Private Forestry, Forest Health Protection

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Public domain
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.
This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/33517795506 (archive). It was reviewed on 4 February 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

4 February 2019

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current15:36, 7 May 2018Thumbnail for version as of 15:36, 7 May 20184,754 × 3,850 (2.09 MB)OceanAtoll (talk | contribs)Transferred from Flickr via #flickr2commons

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