Missouri River near Porcupine River — Patrick Gass: May 1, 1805

continued so high, we could not proceed until the afternoon.
While we lay here our hunters went out and killed some
buffaloe and deer. They found some red cloth at an old
Indian camp, which we suppose has been offered and left as
a sacrifice; the Indians have some knowledge of a supreme
being and this is their mode of worship. The snow did not
fall more than an inch deep. At four we set out, went six
miles, and encamped on the north side in a beautiful bottom.