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On this day in Lewis & Clark history...

The Corps moves 1¼ miles to present Oacoma, South Dakota. They call the site both Plum and Pleasant Camp. They will stay here to dry goods and shift cargo to the red pirogue, which had originally been meant to be sent back by now.

This Camp is Situated in a butifull Plain Serounded with Timber to the extent of ¾ of a mile in which there is great quantities of fine Plumbs—

William Clark

Missouri River riparia near Oacoma

Small prairie surrounded by trees

the acorns were now falling, and we concluded that the number of deer which we saw here had been induced thither by the acorns of which they are remarkably fond. almost every species of wild game is fond of the acorn, the Buffaloe Elk, deer, bear, turkies, ducks, pigegians and even the wolves feed on them

Meriwether Lewis

Burr oak, Quercus macrocarpa

Green acorns hanging on a Burr oak tree

Photo: August 2, 2015 at Fort Osage Historic Site.

the cup which contains the acorn is fringed on it's edges and imbraces the nut about one half;

Meriwether Lewis

Burr oak, Quercus macrocarpa

Burr oak tree acorn and leaves

Photo by US Department of Agriculture.

the leaf of this oak is small pale green and deeply indented

Meriwether Lewis

Burr oak, Quercus macrocarpa

Burr oak tree leaves

Photo: July 30, 2013 taken at the Knife River Indian Villages National Historic Site.