On this day in Lewis & Clark history...
On the Marias, Lewis waits for clear weather to make navigational measurements. Clark heads down the Yellowstone River two small canoes lashed together. He asks Pryor, Shannon, and Windsor to take the remaining horses to the Mandan.
From the journals...
Thursday 24th July 1806.
at 8 A M. we Set out and proceeded on very well to a riffle at this riffle the Small Canoes took in a good deel of water which obliged us to land...to dry our articles and bail the Canoes.
Yellowstone River near Laurel

Thursday 24th July 1806.
this Lodge a council lodge, it is of a Conocil form 60 feet diamuter at its base built of 20 poles each pole 2½ feet in Secumpheranc and 45 feet Long built in the form of a lodge & covered with bushes.
Arikara medicine lodge

Thursday 24th July 1806.
It [Indian lodge] is Situated in the Center of a butifull Island thinly Covered with Cotton wood under which the earth which is rich is Covered with wild rye and a Species of grass resembling the bluegrass, and a mixture of Sweet grass which the Indian plat and ware around their necks for its cent which is of a Strong sent like that of the Vinella
Sweetgrass, Hierochloe odorata

Thursday 24th July 1806.
Campd a little below Pryers river of 35 yds. on S E.
Yellowstone River near Huntley

Thursday July 24th 1806.
At 8 A. M. the sun made it's appearance for a few minutes and I took it's altitude but it shortly after clouded up again and continued to rain the ballance of the day
Sextant

Thursday July 24th 1806.
several wolves visited our camp today, I fired on and wounded one of them very badly.
Wolf print

Thursday 24th.
they proceeded on to Portage river. About an hour after they started, a very heavy shower of rain, accompanied with thunder and lightning, came on, and lasted about an hour and a half. After this we had a fine evening, and a little before sunset the other waggon with a canoe arrived
Box Elder Creek
