Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Lake Street Elevated Railway Interlocking Tower, Pulaski Road, Chicago...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Lake Street Elevated Railway Interlocking Tower, Pulaski Road, Chicago...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Northwestern Elevated Railroad, Interlocking Tower, Wilson Avenue, Chi...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Erie Railway & Pennsylvania Railroad, Horseheads Interlocking Tower, W...
Survey number: HAER NY-32 Public domain photograph of train tracks, railroad, free to use, no copyright restrictions image - Picryl description
Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Northwestern Elevated Railroad, Interlocking Tower, Wilson Avenue, Chi...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Lake Street Elevated Railway Interlocking Tower, Pulaski Road, Chicago...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Northwestern Elevated Railroad, Interlocking Tower, Wilson Avenue, Chi...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Erie Railway & Pennsylvania Railroad, Horseheads Interlocking Tower, W...
Survey number: HAER NY-32 Public domain photograph of train tracks, railroad, free to use, no copyright restrictions image - Picryl description
Erie Railway & Pennsylvania Railroad, Horseheads Interlocking Tower, W...
Survey number: HAER NY-32 Public domain photograph of train tracks, railroad, free to use, no copyright restrictions image - Picryl description
Lake Street Elevated Railway Interlocking Tower, Pulaski Road, Chicago...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Northwestern Elevated Railroad, Interlocking Tower, Wilson Avenue, Chi...
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago. Sur... More
Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More