[Clark, December 17, 1804]
17th December Monday 1804 a verry Cold morning the Thrmt. Stood a 43° below 0. We found Mr. Henny a verry intelligent man from whome we obtained Some Scetches of the Countrey between the Mississippi & Missouri, and Some Sketches from him, which he had obtained from the Indins. to the West of this place also the names and charecktors of the Sceoux &c about 8 oClock P M. the thermometer fell to 74° below the freesing pointe—the Indian Chiefs Sent word that Buffalow was in our neighbourhood, and if we would join them, in the morning they would go and kill them-