File:1924. Marking a group of infested ponderosa pine. The spotter has blazed 21 trees recently attacked by bark beetles in a heavy center of infestation. Kaibab National Forest, Arizona. (26445233419).jpg
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Marking a group of infested ponderosa pine. The spotter has blazed 21 trees recently attacked by bark beetles in a heavy center of infestation. Note: This image is also Figure 106 on page 232 of F.P. Keen's Insect Enemies of Western Forests. The caption reads, "Ponderosa pines spotted for treatment in Black Hills beetle control. Kaibab National Forest, Arizona.
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| Source | USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection, via Flickr | |||
| Author | J. M. Miller | |||
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This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/26445233419 (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. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 02:06, 7 May 2018 | | 1,448 × 1,073 (363 KB) | OceanAtoll (talk | contribs) | Transferred from Flickr via #flickr2commons |
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