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At Peoria Lake they struck open water, and paddled thence to the Mississippi and turned their prows southward. They plowed through the fields of floating ice, past the mouth of the Missouri; past the mouth of the Ohio, by-and-by; 'and, gliding by the wastes of bordering swamp, landed on the 24th of February near the Third Chickasaw Bluffs,' where they halted and built Fort Prudhomme.