Results for "Smithsonian Institution. Assistant Secretary for Science"

1. 

   Supervisor's House in a Coal Town, Pennsylvania

   • Date: 1884

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   Picking Slate and Bony Coal

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

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   Ellangowan Colliery, Shenandoah, Schuylkill County, Pennsylvania

   • Date: 1884

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   Engine House, Pottsville, Pennsylvania

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

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

   • Date: 1884

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    Shenandoah City Colliery, Shenandoah, Schuylkill County, Pennsylvania

    • Date: 1884

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

    • Date: 1884

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    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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21. 

    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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23. 

    Interior View of Kohinoor Mine, Shenandoah, Pennsylvania

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

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