Surveying the Ohio-Mississippi confluence
Mouth of the Ohio, IL Lewis records key measurements from Clark’s survey of the confluence of the Ohio and Mississippi rivers.
Capt Clark made a partial survey of the point and asscertained by the Circumferenter and projection that the width of the Ohio from[:]
Yards The point was— 1274 The Missippi— 1435 and the width of them both from those observed points on their respective banks was— 2002
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Unless otherwise noted, journal excerpts are from The Journals of the Lewis and Clark Expedition, edited by Gary E. Moulton, 13 vols. (Lincoln: University of Nebraska Press, 1983-2001).
