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Central California Traction Company (2)
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Chicago & Illinois Midland (3)
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Chicago Aurora & Elgin (4)
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Canadian Pacific (11)
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Central of Georgia (3)
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Central Railroad of New Jersey (7)
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Central Vermont (6)
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Chesapeake & Ohio (27)
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Chessie System (19)
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Chicago & Eastern Illinois (8)
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Chicago & North Western (14)
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Chicago Burlington & Quincy (9)
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Chicago Great Western (7)
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Chicago, Indianapolis, and Louisville Railway (8)
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Chicago, Milwaukee, St. Paul and Pacific (13)
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Chicago, Rock Island and Pacific (10)
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Clinchfield (13)
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Colorado Midland (4)
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Conrail (8)
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CSX (38)
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Other C's (33)
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Chicago St. Paul Minneapolis & Omaha Railway (3)
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Chicago North Shore & Milwaukee Railroad (4)
