Fort Mandan, North Dakota — John Ordway: December 12, 1804

the Guard chimney where their was a fire kept all last night.
it is Several degrees colder this morning than it has been before,
so that we did nothing but git wood for our fires, our Rooms are
verry close and warm So we can keep ourselves warm and com-
fortable, but the Sentinel who Stood out in the open weather
had to be relieved every hour all this day.