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Showing results for 11 - 20 of 511 1900s text

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  1. Klamath River Gold Mining Co., Klamath River, Siskiyou County California

    • Name: Klamath River Gold Mining Co; Klamath River Gold Mining Co
    • Date: 1907?
    • Topic: Mining corporations; Gold mines and mining
    • Format: text
  2. Notebook 3

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  3. Patents - Liquid/Liquid extractor

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  4. Physics "Uranium"

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  5. Physics (G-22)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  6. The chance every man is waiting for

    • Name: East Dewey Gold Mining Company; East Dewey Gold Mining Company
    • Date: 19--?
    • Topic: Gold mines and mining; Mineral industries
    • Format: text
  7. "Reminiscences" Excerpts 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  8. [Biology (G-31)]

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  9. [Biology (K-12)]

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  10. A few ponderous facts to ponder over concerning gold

    • Name: Big Idaho Mining and Development Company; Big Idaho Mining and Development Company
    • Date: 190-?
    • Topic: Gold mines and mining
    • Format: text