[Clark, January 21, 1805]
Fort Mandan 21st Monday January 1805 a number of Indians hereto day a fine day nothing remarkable one ban verry bad with the pox
[Clark, January 22, 1805]
22nd January 1805 Tuesday a find warm Day attempted to Cut the Boat & the perogues out of the Ice, found water at about 8 inches under the 1st Ice, the next thickness about 3 feet