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  2. Arizona Mineral Belt Railroad - Wikipedia

    en.wikipedia.org/wiki/Arizona_Mineral_Belt_Railroad

    The greatest obstacle to such a railway line was the Mogollon Rim, a half-mile-high escarpment at the edge of the Colorado Plateau. Engineers contracted by Eddy determined that a tunnel of 3,100 feet (945m) length and 16 feet (4.88m) width through this Rim would allow laden trains to access the top of the Plateau.

  3. List of unused railways - Wikipedia

    en.wikipedia.org/wiki/List_of_unused_railways

    The incomplete tunnel was abandoned 1855, although another attempt was made in 1872 by the Cincinnati Railway Tunnel Company. [ 170 ] Cincinnati Subway - the city of Cincinnati began the construction of an underground rapid transit line in 1916, but this was abandoned unfinished in 1929 after available funds ran out.

  4. Cramer Tunnel - Wikipedia

    en.wikipedia.org/wiki/Cramer_Tunnel

    The tunnel was used consistently from its opening to 2001, when LTV Steel went bankrupt and closed their ore dock in Taconite Harbor. When the location was bought by Cleveland Cliffs in 2002, cleanup trains ran on the line to pick up leftover chips and pellets until 2008.

  5. Miami Mineral Belt Railroad - Wikipedia

    en.wikipedia.org/wiki/Miami_Mineral_Belt_Railroad

    The Miami Mineral Belt Railroad (MMBR) served the Miami and Picher lead mining areas in that portion of the Tri-state mining district located in far northeastern Oklahoma.It was closely associated with the St. Louis-San Francisco Railway (Frisco) for its entire history, and was eventually absorbed into the Frisco.

  6. List of tunnels in Montana - Wikipedia

    en.wikipedia.org/wiki/List_of_tunnels_in_Montana

    St. Paul Pass Tunnel/Taft Tunnel, abandoned rail tunnel, in use 1908-1980, Chicago, Milwaukee, St. Paul & Pacific Railroad Tunnel Number 20, between Mineral County, Montana and Shoshone County, Idaho, now part of Milwaukee Road Rail Trail, el. 5,141 feet (1,567

  7. Hidden tunnel network found at abandoned 800-year-old home in ...

    www.aol.com/news/hidden-tunnel-network-found...

    A section of the hidden tunnel network at the 800-year-old home. Archaeologists also uncovered a water well with a depth of about 40 feet. A photo shows the view into the well.

  8. Fort Mason Tunnel - Wikipedia

    en.wikipedia.org/wiki/Fort_Mason_Tunnel

    Fort Mason Tunnel is an abandoned single-track railway tunnel in San Francisco which runs under a small hill upon which sits a portion of the old Fort Mason. The tunnel was constructed in 1913 and opened to rail traffic in 1914. [1] The east portal is near the north end of Van Ness Avenue; the west portal feeds onto Marina Boulevard at Laguna ...

  9. Staten Island Tunnel - Wikipedia

    en.wikipedia.org/wiki/Staten_Island_Tunnel

    The Staten Island Tunnel is an abandoned, incomplete railway and subway tunnel in Staten Island, New York City.It was intended to connect railways on Staten Island (precursors to the modern-day Staten Island Railway) to the BMT Fourth Avenue Line of the New York City Subway, in Brooklyn, via a new crossing under the Narrows.