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On this day in Lewis & Clark history...

The Expedition continues canoeing up the Columbia River. Along the way, they unsuccessfully barter for horses. After inspecting graves on Memaloose island, they set up Fort Rock camp at present The Dalles, Oregon.

most of them returned to their villages this evening three only remained with us all night.

Meriwether Lewis

at 3 in the evening we arivied….and Encamped at the place we had Called rock fort Camp

William Clark

The Dalles near Rock Fort

Historic photo of high rocks on Columbia River shore

Photo by Carleton E. Watkins circa 1883.

we halted a few minutes at the sepulchre rock, and examined the deposits of the ded at that place.
these were constructed in the same manner of those already discribed below the rapids.
some of them were more than half filled with dead bodies.
there were thirteen sepulchres on this rock which stands near the center of the river and has a surface of about 2 acres above high-water mark.—

Meriwether Lewis

here we halted and informed the natives of our wish to purchase horses;
the produced us several for sale but would not take the articles which we had in exchange for them.
they wanted an instrument which the Northwest traders call an eye-dag which we had not.

Meriwether Lewis

Mouth of Klickitat River

Shallow river entring a the Columbia river opposite basalt cliffs

Photo by Sarah Hall Ladd circa 1903-1905 (altered). Platinum print at the Oregon Historical Society.

about the narrows or falls the plains are green & pleasant

John Ordway

Dallesport, Washington

Rocky, green wetlands

Saw a number of horses feeding in it which are in good order as they have been wintered below in the narrow bottoms where the rushes abound &C.

John Ordway

Horse with winter coat

Tan horse with long hair grazing above Celilo Falls

Service berry A Small bush the Narrows of Columbia R. Aprl. 15th 1806

Pursh (Meriwether Lewis)

Serviceberry, Amelanchier alnifolia

Early spring bloom of a serviceberry bush

Supposed to be a Smyrnium the natives eat the tops & boil it Sometimes with their Soup. On the Columbia Aprl. 15th 1806

Pursh (Meriwether Lewis)

Bare-stemmed desert-parsley, Lomatium nudicaule

Desert parsley with small yellow blooms on rocky ground

Photo ©2011 Walter Sigmund. Permission via the GNU Free Documentation License.

An umbelliferous plant with a large fusiform foot, which the natives bake & eat One the Columbia. Aprl. 15th 1806.

Pursh (Meriwether Lewis)

Biscuit root, Lomatium macrocarpum

White tuberous root

A Shrub of which the natives eat the young Sprout without kooking. On the Columbia Aprl. 15th 1806.

Pursh (Meriwether Lewis)

Thimbleberry, Rubus parviflorus

White blossoms of a thimbleberry bush

Photo by W. Padgett of the U.S. Forest Service.