Historical Note
Historical Note
Orestes Hawley St. John (1841-1921) was a geologist whose main scientific interest was fossil fishes of the Paleozoic Era. St. John aided Amos Henry Worthen in the early Geological Survey of Illinois on an intermittent basis from the 1860s until circa 1883. In addition to his work with the Illinois Survey, St. John served as principal geological assistant to Charles Abiathar White in the Second Geological Survey of Iowa from 1862 to 1868. In 1873, St. John made an extensive visit to the Museum of Comparative Zoology at Cambridge, Massachusetts, where he studied and helped arrange the paleontological collections.
St. John also accompanied Ferdinand Vandeveer Hayden's 1877-1878 survey of Idaho, Montana, and Wyoming. In 1878 St. John led the party which surveyed the Wind River Mountains, portions of the Gros Ventre Range, the Wyoming Range, and the Snake River Valley.
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