Re-examination of the outlet of the south channel of the river St. Clair / by ... J.N. Macomb ... assisted by ... J.W. Gunnison ... and W.N. Hearding ...
In: Message from the President of the United States to the Two Houses of Congress at the Commencement of the Second Session of the Thirty-Third Congress. Part 3.; Map 25 to illustrations accompanying the Report of the Colonel of Topographical Engineers.; "Sen. Ex. Doc. No. 1, 1st. session, 33rd Congress."
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