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Showing results for 21 - 40 of 511 1900s text

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  1. A new company! : owns mines in Boulder County

    • Name: Orphan Johnny Mining Co
    • Date: 1902?
    • Topic: Gold mines and mining; Mining corporations
    • Format: text
  2. A new year's greeting 1902

    • Name: Wellington Gold Mining and Milling Company; Wellington Gold Mining and Milling Company
    • Date: 1902?
    • Topic: Gold mines and mining
    • Format: text
  3. Account of Sarah Hubon's memories of early San Diego, with a carte-de-visite portrait

    • Collection: Hubon Family Papers
    • Name: Hubon, Sarah
    • Date: circa 1860-1923
    • Format: text
  4. Aging

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  5. Aging (S-48) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  6. Alverson, C.S - Cajon Water System

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: January 17, 1905
    • Topic: Water resources development -- California -- San Diego County
    • Format: text
  7. Alverson, C.S - El Cajon Valley Water Investigation

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: November 28, 1904
    • Topic: Water resources development -- California -- San Diego County
    • Format: text
  8. Alverson, C.S - Report to Lippincott on behalf of the Western Slope Association

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: August 15, 1905
    • Topic: Water resources development -- California -- San Diego County
    • Format: text
  9. Alverson, C.S. (Early hydraulic engineer)

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1892 - 1907
    • Format: text
  10. American and Mexican prospecting, developing and mining company of Oakland, Cal

    • Name: Delgado, J.F; American and Mexican Prospecting, Developing and Mining Company; American and Mexican Prospecting, Developing and Mining Company
    • Date: 1905?
    • Topic: Mines and mineral resources
    • Format: text
  11. American Arbitration Association

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  12. Amino Acid Charts

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  13. Angels Project

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  14. Antibody letters (V-83) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  15. Atomic Energy Control Conference

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  16. Battle for Roanoke Island

    • Collection: George Fearing Hollis Papers
    • Name: Hollis, George Fearing, b. 1838
    • Date: between 1862 and 1903
    • Topic: American Civil War (1861-1865)
    • Format: text
  17. Bethe Chicago (G-29)

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  18. Bibliographic materials 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  19. Big Butte

    • Name: C.M. Hatcher & Co; Big Butte Gold Mining Company
    • Date: 1903
    • Topic: Gold mines and mining
    • Format: text
  20. Biographical publications

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text