On this day in Lewis & Clark history...
While wintering at Fort Mandan, the man with pleurisy is bled and sweated. Lewis amputates some toes from the Indian boy with frostbite. Others continue working to free the boats from the ice and preparing the kiln to make charcoal.
From the journals...
27th of January Sunday 1804 
Capt Lewis took of the Toes of one foot of the Boy who got frost bit Some time ago
Lewis' desk at Fort Mandan
Photo created by the U.S. Geological Service.