Mackinac, Straits of. Bridges across Mackinac Straits, Mich, report to accompany S. 3415 [authorizing Michigan by and through Mackinac Straits Bridge Authority to construct bridge or series of bridges across Straits of Mackinic at or near point between St. Ignace, Mich., and Lower Peninsula of Michigan, east of Cheybogan]; submitted by Mr. Stephens.

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