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Evolution of Michigan Railroads - Detroit Area - 1970
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Evolution of Michigan Railroads - Detroit Area - 1971
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Evolution of Michigan Railroads - Detroit Area - 1972
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Evolution of Michigan Railroads - Detroit Area - 1973
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Evolution of Michigan Railroads - Detroit Area - 1974 to 1975
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Evolution of Michigan Railroads - Detroit Area - 1976
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Evolution of Michigan Railroads - Detroit Area - 1977 to 1979
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