[Clark, September 9, 1804]
9th September Sunday 1804 Set out at Sunrise and proceeded on passed the head of the Island on which we Camped, passed three Sand & willow Islands, the Sand bars So noumerous, it is not worth mentioning them, the river Shoal or Shallow wind S E Came too and Camped on a Sand bar on the L. S. Capt Lewis went out to Kill a buffalow. I walked on Shore all this evening with a view to Kill a Goat or Some Prarie Dogs in the evening after the boat landed, I Derected my Servent York with me to kill a Buffalow near the boat from a numbr. then Scattered in the plains, I saw at one view near the river at least 500 Buffalow, those animals have been in view all day feeding in the Plains on the L. S. every Copse of timber appear to have Elk or Deer. D. Killed 3 Deer, I Kiled a Buffalow Y. 2, R. Fields one.
[Lewis, September 9, 1804]
Sept. 9th Capt. Clark found on the Lard shore under a high bluff issuing from a blue earth a bittuminus matter resembling molasses in consistance, colour and taste-
[Clark, September 10, 1804]
10th September Monday a Cloudy morning Set out early under a Gentle Breeze from the S E. passed two Small Islands one on the L. S. & the other on the S. S. both in the first Course at 101/2 miles passed the lower pt. of Ceder Island Situated in a bend to the L. S. this Island is about 2 miles long Covered with red Ceder, the river is verry Shallow opsd. this Island—below the Island on the top of a ridge we found a back bone with the most of the entire laying Connected for 45 feet those bones are petrified, Some teeth & ribs also Connected. at 3 mes. above ceder I passed a large Island on the S. S. to this Island Several Elk Swam above this Island on the Midle is Situated 2 Islands small one above the other, those Islands are Called mud Islands and camped on the upper Island of them 3 Buffalow 1 Elk &c. Killed to day, river falling a large Salt Spring of remarkable Salt water much frequented by Buffalow, Some Smaller Springs on the Side of the hill above less Salt, the water excesiv Salt, and is 11/2 miles from the river on the S. W. or L. S. opposit Ceder Island-