Missouri River near Niobrara River — Patrick Gass: September 4, 1804

creek on the south side about 30 yards wide, called Paint
creek; and high yellow bluffs on the same side. About a mile
and a half further we passed another creek on the same side
50 yards wide called White-Paint creek; and yellow bluffs on
the north side. About four miles higher up, we passed a river,
on the south side, 152 yards wide, called Rapid-water river:
Up this river the Poncas nation of Indians lived not long
since. We encamped on the south side among some cedar
trees.