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Clark, August 27, 1804

27th August Monday 1804

This morning the Star Calld. the morning Star much larger than Common G. Drewyer Came up and informed that he Could neither find Shannon nor horses, we Sent Shields & J Fields, back to hunt Shannon & the horses, with derections to Keep on the Hills to the Grand Calumet above on River Ka cure.

We Set Sail under a gentle Breeze from the S. E. at 7 miles passed a white Clay marl or Chalk Bluff under this Bluff is extensive I discovered large Stone much like lime incrusted with a Clear Substance which I believe to be Cabalt, also ore is imbeded in the Dark earth, resembling Slate much Softer- above this Bluff we had the Prarie Set on fire to let the Souix See that we were on the river, & as a Signal for them to Come to it.

at 2 oClock passed the mouth of River Jacque, or Yeankton one Indian at the mouth of this river Swam to the Perogue, we landed and two others came to us, those Inds. informed that a large Camp of Soues, were on R. Jacque near the mouth. we Sent Sergt. Pryor & a Frenchman with Mr. Durioin the Souls interpeter to the Camp with derections to invite the Principal Chiefs to councel with us at a Bluff above Called the Calumet- two of those Indians accompanied them and the third continued in the Boat Showing an inclination to Continue, this boy is a Mahar, and inform that his nation, were gorn to the Parnias to make a peace with that nation.

We proceeded on about one and a half miles and in Camped on a bar makeing out from the S. S. the wind blew hard from the South. a Cool & Pleasent evening, The river has fallen verry Slowly and is now low.