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13th. December Thursday 1804—

The last night was verry Clear & the frost which fell covered
the ice old Snow & those parts which was naked 1/6 of an inch,
The Thermometer Stands this morning at 20°. below 0, a fine
day. find it imposible to make an Observation with an arteficial
Horrison. Joseph Fields kill a Cow and Calf to day,
one mile from the Fort. River fall.