On this day in Lewis & Clark history...
The expedition continues preparing for the day they can leave Camp River Dubois. The Weather Diary has the only extant journal entries or notes for this day.
From the journals...
[Weather Journal for March 19, 1804]
The weather has been generally fair but verry Cold, the ice run for Several days in Such quantities that it was impossible to pass the River Visited St. Charles
Missouri River ice flow
Photo created by the U.S. National Park Service.