Clark, August 11, 1804
11th August Satturday 1804. about day light this Morning a hard wind from the N W. with Some rain proceeded on arround the right of the Isld.
a hard wind accompanied with rain from the S. E. after the rain was over Capt. Lewis myself & 10 men assended the Hill on the L. S. under which there was Some fine Springs to the top of a high point where the Mahars King Black Bird was burried 4 years ago. a mound of earth about 12 Diamuter at the base & 6 feet high is raised over him turfed, and a pole 8 feet high in the Center on this pole we fixed a white flage bound with red Blue & white; this hill about 300 feet above the water forming a Bluff between that & the Water of Various hight from 40 to 150 feet in hight yellow Soft Sand Stone from the tops of this Nole the river may be Seen Meandering for 60 or 70 Miles, we Decended & Set out N. 24 to W. 1/2 me. passing over a Sand bar on the S. pt. along the Willows. to the river opposit a Small Beyeau on the L. S. which is the Conveyance of the high water from a bend which appears near in a northerly direction, haveing passed a Creek in a Deep bend to the L. S. Called by the Mahars Wau can di Peeche (Great Spirrit is bad) on this Creek & Hills near it about 400 of the Mahar Died with the Small Pox- Took Medn. Altitude & made the Latd. 42° 1' 3" 8/10 N. also the Moons Distanc from the Sun I have observed a number of places where the River has onced run and now filled or filling up & growing with willows & cottonwood