On this day in Lewis & Clark history...
Having slept little due to the mosquitoes, the men set out at first light. The river narrows and the current increases in speed enabling the men to paddle 73 miles. The mosquitoes pester them at their next camp near Guard Lake, Iowa.
From the journals...
Friday 5th Sept. 1806.
we having made 75 miles this day and Camped on a Sand beach to git as much out of the Musquetoes as possable.—
Image altered from Google Earth copyright 2011.