Results for "Geology"

1. 

   A Mule Trip at Long Valley Mine, Barclay, Bradford County, Pennsylvania

   • Date: 1884

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3. 

   Group of Miners at Long Valley Mine, Barclay, Bradford County, Pennsylvania

   • Date: 1884

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5. 

   Engine House, Pottsville, Pennsylvania

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

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7. 

   Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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9. 

   Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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11. 

    Oxide Furnaces of the Passaic Zinc Company

    • Date: 1880 1880s
    • Creator: Unknown

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13. 

    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

14.  
15. 

    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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17. 

    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

18.  
19. 

    Iron Works Soaking Pit

    • Date: 1880 1880s
    • Creator: Unknown

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21. 

    Blast Furnace at Iron Works

    • Date: 1880 1880s
    • Creator: Unknown

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23. 

    Blast Dampers at Iron Works

    • Date: 1880 1880s
    • Creator: Unknown

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