Lewis & Clark
"the point of the Missouri where this Indian pass intersects it,
is about 30 miles above the gates of the rocky Mountain...
(we) encamped on a large creek which falls in on the West...
the weather appearing settled and fair I determined to halt
the next day rest our horses and take som scelestial Observations.
we called this Creek Travellers rest." Meriwether Lewis, September 9, 1805.