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Interlocking Tower at New York, NY
Tower operator at "DB" Tower For Harlem River Bridge at 132nd St.
Interlocking Tower at Indiana Harbor, IN
HC Tower.
Interlocking tower at Clark, IN
NKP crossing
Interlocking tower at Clark, IN
NKP crossing
Interlocking tower at Columbus, OH
B&O crossing at E. Columbus
Interlocking tower at Falconer, NY
Erie RR crossing, DV tower
Interlocking tower at Union City, IN
NYC - PRR crossing
Interlocking tower at Alvordton, MI
NYC - Wabash crossing
Interlocking tower
On the B&A