Showing 1 - 20 results of 97 for search '"Pennsylvania"', query time: 0.27s Refine Results
  1. 1
    Published 1906
    Subjects: ...Bridges Pennsylvania....
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  2. 2
    Published 1902
    ...West Elizabeth and Dravosburg Bridge Co. to bridge Monongahela River in Pennsylvania...
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  3. 3
    Published 1904
    ...Extending time for Washington and Westmoreland counties, Pennsylvania, to bridge Monongahela River...
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  4. 4
    Published 1906
    ...Fayette Bridge Co. to bridge Monongahela River in Pennsylvania...
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  5. 5
    Published 1907
    ...Extending time for bridge across Monongahela River, Pennsylvania...
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  6. 6
    Published 1903
    ...Donora Southern Railroad to bridge Monongahela River, Pennsylvania...
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  7. 7
    Published 1906
    ...Pennsylvania....
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  8. 8
    Published 1907
    ...Extending time for bridge across Monongahela River in Pennsylvania...
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  9. 9
  10. 10
    Published 1944
    ...Pennsylvania....
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  11. 11
    Published 1903
    Subjects: ...Locks (Hydraulic engineering) Pennsylvania....
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  12. 12
    by Cooper, Deborah R.
    Published 1995
    Subjects: ...Dams Pennsylvania....
    Government Document Microform Book
  13. 13
    Published 1908
    ...To extend time for bridge across Monongahela River in Pennsylvania...
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  14. 14
  15. 15
  16. 16
    Published 1934
    ...Bridges across Monongahela, Allegheny, and Youghiogheny rivers in Allegheny County, Pennsylvania...
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  17. 17
    by Stowe, Richard L.
    Published 1987
    Subjects: ...Locks (Hydraulic engineering) Pennsylvania Evaluation....
    Government Document Book
  18. 18
    Published 1922
    Subjects: ...Locks (Hydraulic engineering) Law and legislation Pennsylvania....
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    Government Document eBook
  19. 19
    Published 1986
    Subjects: ...Flood damage Pennsylvania....
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  20. 20
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