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  2. Gaps of the Allegheny - Wikipedia

    en.wikipedia.org/wiki/Gaps_of_the_Allegheny

    The trails of the Indian skirted the rivers and offered for trader and explorer passageway to the West, especially to the towns of the Cherokees in the southern Alleghanies or Unakas; but the waterways and the roads over which the hogsheads of tobacco were rolled (hence called "rolling roads") sufficed for the needs of the thin fringes of ...

  3. List of Pennsylvania railroads - Wikipedia

    en.wikipedia.org/wiki/List_of_Pennsylvania_railroads

    Pennsylvania, Poughkeepsie and Boston Railroad: Pennsylvania Southern Railroad: 1910 1913 Lake Erie, Franklin and Clarion Railroad: Pennsylvania and West Virginia Railroad: PRR: 1889 1893 Bedford and Blair County Railroad: Pennsylvania Western and Ohio River Connecting Railway: 1901 Pequea Railroad and Improvement Company: RDG: 1849 1851

  4. List of tunnels in Pennsylvania - Wikipedia

    en.wikipedia.org/.../List_of_tunnels_in_Pennsylvania

    Negro Mountain Tunnel, initial construction done for the South Pennsylvania Railroad, but later omitted from the Pennsylvania Turnpike. Nicholson Tunnel , Built by Delaware, Lackawanna, and Western Railroad in 1915, Factoryville to Nicholson Still used by Canadian Pacific Railway , and Norfolk Southern Railway trackage rights trains.

  5. Horseshoe Curve (Pennsylvania) - Wikipedia

    en.wikipedia.org/wiki/Horseshoe_Curve_(Pennsylvania)

    A topographic map of the area around the Horseshoe Curve. Horseshoe Curve is 5 miles (8 km) west of Altoona, Pennsylvania, in Logan Township, Blair County.It sits at railroad milepost 242 on the Pittsburgh Line, which is the Norfolk Southern Railway Pittsburgh Division main line between Pittsburgh and Harrisburg, Pennsylvania.

  6. Pittsburgh Line - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_Line

    Past Cresson, the railroad passes down the Alleghenies' west slope, through the towns of Lilly, Cassandra, Portage, Wilmore, Summerhill, South Fork, Mineral Point, Parkhill, and East Conemaugh before reaching Johnstown at the bottom of the mountain. South Fork is the junction of the South Fork Secondary, a coal route used to reach local mines ...

  7. Great Indian Warpath - Wikipedia

    en.wikipedia.org/wiki/Great_Indian_Warpath

    In the north, the line of the Seneca Trail formed the boundary of "the frontier" by the time of the French and Indian War (1756–63). When King George III issued a proclamation in 1763 forbidding further settlement beyond the mountains and demanding the return of settlers who had already crossed the Alleghenies, a line was designated roughly following the Seneca Trail.

  8. Kittanning Path - Wikipedia

    en.wikipedia.org/wiki/Kittanning_Path

    The Kittanning Path was a major east-west Native American trail that crossed the Allegheny Mountains barrier ridge connecting the Susquehanna River valleys in the center of Pennsylvania to the highlands of the Appalachian Plateau and thence to the western lands beyond drained by the Ohio River.

  9. List of tunnels documented by the Historic American ...

    en.wikipedia.org/wiki/List_of_tunnels_documented...

    Pennsylvania Railroad, Bow Ridge Tunnel: 1907 1987 Former Pennsylvania Railroad: Bow Ridge Derry Township: Westmoreland: PA-357: Sand Patch Tunnel: 1912 1992 CSX Transportation: Negro Mountain: Larimer Township: Somerset