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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...

Capt Lewis took of the Toes of one foot of the Boy who got frost bit Some time ago

William Clark

Lewis' desk at Fort Mandan

Captain Lewis' desk at Fort Mandan with a sextant and trading knife

Photo created by the U.S. Geological Service.