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On this day in Lewis & Clark history...

The Missouri is crowded with islands and sandbars slowing progress of the large keelboat. Ordway, Pryor, and Shannon walk on shore to gather plums and are cut off from the main party who spend the night on the opposite shore.

From the journals...

Killed a...Porcupine; found it in a Cottonwood tree near the river on the Lard. Shore— the leaves of the Cottonwood were much distroyed— as were those of the Cottonwood trees in it's neighbourhood. I therefore supposed that it fed on the folage of trees at this season, the flesh of this anamal is a pleasant and whoalsome food—

Meriwether Lewis

Porcupine, Erethizon dorsatum

A porcupine in Yellowstone National Park

Photo created by the U.S. National Park Service.