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M-12 (Michigan highway)

M-12
Location: IronwoodSault Ste. Marie
Length: 406.63 mi (654.41 km)
Existed: c. July 1, 1919–November 11, 1926

M-12 is a former state highway in the Upper Peninsula of Michigan. It was replaced in 1926 by:

Since 1926, M-12 north of the St. Ignace area has been replaced by:


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Wikipedia

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