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On this day in Lewis & Clark history...

Lewis continues up the Blackfoot River reaching the lower slopes of the Rocky Mountains near Lincoln. Clark crosses the continental divide to the Big Hole River valley. Sacagawea shows a gap in the mountain that leads to the cached canoes.

on a large creek some little distance above it's mouth through a beatifull plain on the border of which we passed the remains of 32 old lodges. they appear to be those of the Minnetares as are all those we have seen today. Encamped on the creek    much sign of beaver in this extensive bottom.

Meriwether Lewis

Keep Cool Creek

An extreme bend of a small creek in a grassy meadow

passed a large crooked pond at 4 ms. further.

Meriwether Lewis

Near Kleinschmidt Lake

High prairie wetland

here we halted and dine and our hunters overtook us with a deer which they had killed. river bottoms narrow and country thickly timbered. Cottonwood and pine grow intermixed in the river bottoms musquitoes extremely troublesome.

Meriwether Lewis

Blackfoot River

Mountain river meandering through the narrow bottoms

saw the common small blue flag and peppergrass.

Meriwether Lewis

Rocky Mountain iris, Iris missouriensis

Large blue and purple petals

Photo ©2009 Walter Sigmund. Permission via the GNU Free Documentation License.

saw the common small blue flag and peppergrass.

Meriwether Lewis

Tall peppergrass, Lepidium virginicum

Low plant with small pepper-tasting petals

Photo ©2007 Tau Olunga. Permission via the GNU Free Documentation License.

here the road forks    also one leading up each branch    these are the forks of which I presume the indians made mention.

Meriwether Lewis

Landers Fork

A mountain river flowing through the forest

saw a great many serviceberries, not yet ripe

Patrick Gass

Serviceberry, Amelanchier alnifolia

Blue and green, immature berries

Silver tree of the Missouri From the prairie of the Knobs.

Pursh (Meriwether Lewis)

Silverberry, Elaeagnus commutata

Silver leaves on a desert bush

Photo by US Department of Agriculture, Natural Resources Conservation Service.

On the low plains on the heath of Clarks R. Jul. 6th 1806

Pursh (Meriwether Lewis)

Fern-leaved lousewort, Pedicularis cystopteridifolia

Flower with bright purple petals

On the low plains on the heath of Clarks R. Jul 6th 1806

Pursh (Meriwether Lewis)

Elephant's head, Pedicularis groenlandica

Stalk with large purple head

Prairy of the Knobs. Jul 6th 1806.

Pursh (Meriwether Lewis)

Shrubby cinquefoil, Pentaphylloides floribunda, Dasiphora fruticosa

Low bush with small yellow flowers

A Shrub common to the open prairie of the Knobs. Jul. 6th 1806.

Pursh (Meriwether Lewis)

Antelope Bitterbrush, Purshia tridentata

Bushy, green sage brush leaf

we assended a Small rise and beheld an open boutifull Leavel Vally or plain of about 20 Miles wide and near 60 long extending N & S. in every direction around which I could see high points of Mountains Covered with Snow.

William Clark

Big Hole River

Wide sage brush plain with snow caps in the far distance

on each Side of this handsom glades in which I observe great quantities of quawmash just beginning to blume on each side of those glades the timber is small and a great propotion of it Killed by the fires

William Clark

Burned forest near Sula, Montana

A frequently burned forest

the after part of the day we passed on the hill Side N of the Creek for 6 Ms. Creek and entered an extensive open Leavel plain in which the Indian trail Scattered in Such a manner that we Could not pursue it.
the Indian woman wife to Shabono informed me that she had been in this plain frequently and knew it well that the Creek which we decended was a branch of Wisdom river and when we assended the higher part of the plain we would discover a gap in the mountains in our direction to the Canoes, and when we arived at that gap we would See a high point of a mountain covered with snow in our direction the canoes.

William Clark

Trail Creek near Big Hole Valley

Small creek meandering through beaver ponds and willows

proceeded on about 5 Miles to Some Small dry timber on a Small Creek and encampd. made large fires and dryed our Selves. here I observed Some fresh Indian Signs where they had been gathering quawmash.

William Clark

Western edge of the Big Hole Valley

Grassy forest prairie in the Big Hole Valley