Results for "Smithsonian Institution. Environmental Sciences Program"

 
Showing results 1 - 3 of 3 for Smithsonian Institution. Environmental Sciences Program
  1. Field party in the Elk Mountains, Colorado

    Field party in the Elk Mountains, Colorado

    • Date: 1874

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  3. Hayden Field Party at La Veta Pass

    Hayden Field Party at La Veta Pass

    • Date: 1877 August 1877

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  5. Members of the 1870 U.S. government survey of the Yellowstone River and Rocky Mountains led by Ferdinand Hayden (also known as the "Hayden Geological Survey")

    Members of the 1870 U.S. government survey of the Yellowstone River and Rocky Mountains led by Ferdinand Hayden (also known as the "Hayden Geological Survey")

    • Date: 1870

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Showing results 1 - 3 of 3 for Smithsonian Institution. Environmental Sciences Program