File:1963. Glass slides, dimension 5x7 inches are taken from carrying box and placed in predetermined locations in openings for exposure to Bacillus thuringiensis spray. Western hemlock looper control. Naselle, Washington. (34359141120).jpg
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[edit]Description1963. Glass slides, dimension 5x7 inches are taken from carrying box and placed in predetermined locations in openings for exposure to Bacillus thuringiensis spray. Western hemlock looper control. Naselle, Washington. (34359141120).jpg |
Glass slides, dimension 5x7 inches are taken from carrying box and placed in predetermined locations in openings for exposure to Bacillus thuringiensis spray. Western hemlock looper control. Naselle, Washington. Photo by: Wally C. Guy Date: July 19, 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon Image: PS-2820 For more information about this field test see: <a href="https://archive.org/details/CAT92272778" rel="nofollow">archive.org/details/CAT92272778</a> Carolin, V.M. and C.G. Thompson. 1967. Field testing Bacillus thuringiensis for control of western hemlock looper. Research Paper PNW-38. Portland, OR: USDA Forest Service, Pacific Northwest Forest and Range Experiment Station. 26 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 provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: <a href="http://www.fs.usda.gov/main/r6/forest-grasslandhealth" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a>
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Source | 1963. Glass slides, dimension 5x7 inches are taken from carrying box and placed in predetermined locations in openings for exposure to Bacillus thuringiensis spray. Western hemlock looper control. Naselle, Washington. | ||||
Author | R6, State & Private Forestry, Forest Health Protection |
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[edit]Public domainPublic domainfalsefalse |
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@N05/34359141120 (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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