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Central California Traction Company (1)
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Chicago & Illinois Midland (3)
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Chicago Aurora & Elgin (7)
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Canadian National (1)
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Canadian Pacific (12)
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Central of Georgia (10)
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Central Railroad of New Jersey (9)
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Central Vermont (9)
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Chesapeake & Ohio (28)
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Chessie System (21)
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Chicago & Eastern Illinois (10)
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Chicago & North Western (19)
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Chicago Burlington & Quincy (11)
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Chicago Great Western (9)
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Chicago, Indianapolis, and Louisville Railway (8)
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Chicago, Milwaukee, St. Paul and Pacific (14)
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Chicago, Rock Island and Pacific (13)
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Clinchfield (15)
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Colorado Midland (5)
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Conrail (9)
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CSX (52)
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Other C's (34)
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Chicago St. Paul Minneapolis & Omaha Railway (5)
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Chicago North Shore & Milwaukee Railroad (4)
