https://lewisandclarkresearch.org/journal/john-ordway-august-24-1806/
Rapid descent of Missouri, 70-80 miles/day — John Ordway: August 24, 1806 - Lewis & Clark Research...
out eairly and procd on verry well about noon the wind rose high from S. W. which detained us about three hours then procd on though the work against us...
miles dayjohn ordwaylewis clarkrapiddescent