Results for "National Science Resources Center (U.S.)"

1. 

   Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

   • Date: 1884
   • Creator: Bretz, George M. 1842-1895

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3. 

   Pig-iron Smelting

   • Date: 1880 1880s
   • Creator: Unknown

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5. 

   Pig-iron Smelting

   • Date: 1880 1880s
   • Creator: Unknown

6.  
7. 

   Pig-iron Smelting

   • Date: 1880 1880s
   • Creator: Unknown

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9. 

   Wrought-iron Smelting

   • Date: 1880 1880s
   • Creator: Unknown

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11. 

    Iron Ore -- Rogersfield Mine (Chateaugay Iron Mines)

    • Date: 1880 1880s
    • Creator: Unknown

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13. 

    Ellangowan Colliery, Shenandoah, Schuylkill County, Pennsylvania

    • Date: 1884

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15. 

    Spelter Smelting at Passaic Zinc Company

    • Date: 1880 1880s
    • Creator: Unknown

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17. 

    Pig-iron Smelting

    • Date: 1880 1880s
    • Creator: Unknown

18.  
19. 

    Spelter Smelting at Passaic Zinc Company

    • Date: 1880 1880s
    • Creator: Unknown

20.  
21. 

    Picking Slate and Bony Coal

    • Date: 1884
    • Creator: Bretz, George M. 1842-1895

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23. 

    Engine House, Pottsville, Pennsylvania

    • Date: 1884
    • Creator: Bretz, George M. 1842-1895

24.  

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