50.0 MB (4.1 MB compressed)
5128 x 3411 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
THEODORE CLUTTER / SCIENCE PHOTO LIBRARY THEODORE CLUTTER / SCIENCE PHOTO LIBRARY
Fossil cottonwood/poplar leaf (Populus lindgreni) from the Clarkia Fossil Bowl, a Miocene Epoch lake bed deposit in northern Idaho. Some of the best fossil leaf preservation in the world is found here. This leaf is 3 long.
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