Results for "Twitter"

1. 

   Meeting of the U.S. Geological Survey, Fire-Hole Basin

   • Date: 1872

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   Merle Crisler Foshag and William F. Foshag

   • Date: 1929
   • Creator: Unknown
   • Creator: Unknown

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   Unidentified Group Portrait

   • Date: 1870 C. 1870

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   Survey Offices in Washington, D.C

   • Date: 1873
   • Creator: Jackson, William Henry 1843-1942

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   Frank Wigglesworth Clarke

   • Date: c. 1900s
   • Creator: Unknown
   • Creator: Unknown

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11. 

    Field party in the Elk Mountains, Colorado

    • Date: 1874

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    Plate II - Ogden Canyon in the Wasatch Mountains

    • Date: 1873 C. 1873
    • Creator: Jackson, William Henry 1843-1942

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15. 

    Mary Vaux Walcott

    • Date: 1920

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17. 

    Hayden Field Party at La Veta Pass

    • Date: 1877 August 1877

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    Men and limestone on Gravel Creek, 2-3 miles northwest of Chester, Nebraska

    • Date: Undated
    • Creator: Butts, Charles 1863-1946

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21. 

    Biographical File, 1860-1973 and undated

    • Date: 1860 1860-1973 1860-1973 and undated
    • Creator: National Museum of Natural History (U.S.) Division of Mammals

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23. 

    Edward Oscar Ulrich

    • Date: 1937
    • Creator: Unknown
    • Creator: Unknown

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