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On this day in Lewis & Clark history...

Lewis crosses the continental divide at present Lewis and Clark pass. In the Big Hole valley, Clark cooks meat in present Jackson Hot Springs. Ordway is behind Clark looking for several horses that disappeared during the night.

passed the main creek at a mile ½ and kept up it on the wright hand side through handsom plain bottoms to the foot of a ridge which we ascended

Meriwether Lewis

Near Landers Fork

High, grassy prairie surrounded by low hills

3 m. up the same creek on the east side through a handsome narrow plain.

Meriwether Lewis

Alice Creek, Lewis and Clark Pass, near Lincoln, Montana

Wide mountain valley

passing the dividing ridge betwen the waters of the Columbia and Missouri rivers at ¼ of a mile. from this gap which is low and an easy ascent on the W. side

Meriwether Lewis

Lewis and Clark Pass

Small valley leading up to the mountains

encamped on a small run under the foot of the mountain. after we encamped Drewyer killed two beaver and shot third which bit his knee very badly and escaped

Meriwether Lewis

Near Table Mountain

A mix of prairie and rocky mountains

Rocky mountains. Dry hills Jul. 7th 1806.

Pursh (Meriwether Lewis)

Arrowleaf balsamroot, Balsamorhiza sagittata

Two flowers with large yellow petals

Rocky mountains Dry hills. Jul 7th 1806.

Pursh (Meriwether Lewis)

Blanketflower, Gaillardia aristata

Flower with several yellow petals and a large red-orange flourens

Dwarf Juniper. Rocky mountain. July 7th 1806.

Pursh (Meriwether Lewis)

Common juniper, Juniperus communis var. depressa

Low, green shrub

Photo ©2006 Stan Shebs. Downloaded from Wikimedia and used with permission of the GNU Free Documentation License.

A Shrub within the Rocky mountains found in moist grounds near branches of riverlets. Jul. 7th 1806.

Pursh (Meriwether Lewis)

Bearberry honeysuckle, Lonicera involucrata

Small stem with large, blue berries

On the Cokahlaishkit Jul 7th 1806. Flowers yellowish white

Pursh (Meriwether Lewis)

Lupine, Lupinus

Plant with long slender leaves and large, show inflorences

Lupinus Sericeus. Cokahlaishkit, Jul 7, 1806? Flowers yellowish white

Pursh (Meriwether Lewis)

Silky lupine, Lupinus sericeus, at Lewis and Clark Pass

Lupine plant on Lewis and Clark Pass

On the Cokahlaishkit R Jul. 7th 1806

Pursh (Meriwether Lewis)

Showy death camas, Anticlea elegans (Zigadenus elegans)

Flower with white petals and a large stamen

Photo ©2005 Adam Humphreys. Downloaded from Wikimedia and used with permission of the GNU Free Documentation License.

at ½ past 10 A M I set out and proceeded on through an open rich vally crossing four large Creeks with extensive low and mirey bottoms, and a Small river keeping the Course I had set out on S. 56° E

William Clark

Big Hole valley

A square butte off in the distance with nothing but prairie between

after takeing dininer and letting our horses graize 1 hour and a half we proceeded on Crossed this easterly branch and up on the N. Side of this middle fork 9 miles crossed it near the head of an Easterly branch and passed through a gap of a mountain on the Easterly Side of which we encamped near some butifull [Springs] which fall into Willards Creek

William Clark

Gap above Grasshopper (Willards) Creek

High sagebrush slope

I and Labuiche went up a valley which led in the mountn. towards the ShoShones nation. got on the track of the horses and followed it on untill towards evening and found them still going on an Indn. road. we turned them back to the last nights Camp. the other 3 men had got back their also.

John Ordway

Big Hole Valley near the Continental Divide

A horse in a mountain prairie in the early morning light