Clark, September 10, 1804
10th September Monday
a Cloudy dark morning Set out early, a Gentle breeze from the S. E, passed two Small Islands on the L. S. and one on the S. S. all in the first Course at 101/2 miles passed the lower point of an (2) Island Covered with red Ceeder Situated in a bend on the L. S. this Island is about 2 Moles in length (1) below this on a hill on the L. S. we found the back bone of a fish, 45 feet long tapering to the tale, &c. those joints were Seperated and all petrefied, opposit this Island 11/2 miles from the river on the L. S. is a large Salt Spring of remarkable Salt water. one other high up the hill 1/2 me. not So Salt.
we proceeded on under a Stiff Breeze. three miles above Ceder Island passed a large Island on the S. S, no water on that Side (3) Several elk Swam to this Island passed a Small Island near the Center of the river, of a mile in length, and Camped on one aboav Seperated from the other by a narrow Chanel, Those Islands are Called Mud Islands- the hunters killed 3 fuffalow & one Elk to day. The river is falling a little, Great number of Buffalow & Elk on the hill Sides feeding deer Scerce
we came too at the mouth of a Creek on the L. S. at Dark in a heavy Shower of rain, it Continued to rain the greater part of the night, with a hard wind from the N W Cold