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Joseph Paxson Iddings
Fossil tree trunks. Fossil Forests, Yellowstone National Park.
1884 (ca)
Albumen print
8 x 6 in.
Private collection of Richard W. Gadd
LL/118663
Joseph Paxson Iddings (1857-1920) was a petrologist who specialized in igneous rocks. He worked for the United States Geological Survey (1880-1892) and was a professor of petrology at the University of Chicago (1892-1908). He was a scientific traveler and writer (1908-1920). Iddings spent seven field seasons, 1883-1890, exploring and mapping the geology of Yellowstone.
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