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File:1932. Blue stain in ponderosa pine which was not associated with insects. Sisters, Oregon. (36085943434).jpg

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Blue stain in ponderosa pine which was not associated with insects. Sisters, Oregon.

Photo by: F.P. Keen and Rumbold Date: June 1932

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Source: Bureau of Entomology, Portland Station Collection; La Grande, Oregon. Image: PS-122

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>

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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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Source 1932. Blue stain in ponderosa pine which was not associated with insects. Sisters, Oregon.
Author R6, State & Private Forestry, Forest Health Protection

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Public domain
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.

English ∙ español ∙ Nederlands ∙ slovenščina ∙ Tiếng Việt ∙ македонски ∙ русский ∙ українська ∙ 日本語 ∙ +/−

This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/36085943434 (archive). It was reviewed on 7 May 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

7 May 2018

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current02:16, 7 May 2018Thumbnail for version as of 02:16, 7 May 2018914 × 1,304 (158 KB)OceanAtoll (talk | contribs)Transferred from Flickr via #flickr2commons

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