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Home » Guide » Arthropods (Arthropoda) » Unidentified Tracks, Sign, and Other Mysteries » Unidentified Signs on and in Wood

Photo#712218

Copyright © 2012 R. Berg

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Yosemite Valley, Mariposa County, California, USA
October 3, 2012

Old fallen (and sawn) pine trunk on one of the Happy Isles. Its diameter was about 0.5 m. I have a photo of bark if needed for tree ID.

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Contributed by R. Berg on 7 October, 2012 - 8:00pm

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