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Lewis & Clark as Naturalists
The Collection: Locality Information Lewis and Clark as Naturalists
Locality Name:
Fort Mandan - near present-day Washburn
McLean County , North Dakota

Species Encountered:
icon-3 Mustela frenata
Long-tailed Weasel
November 9, 1804

As with the ermine, the long-tailed weasel was mentioned just once in the journals.  The two weasels resemble one another a great deal, even ...  more>>

icon-4 Aquilegia canadensis L.
red columbine
November 17, 1804
icon-4 Arctostaphylos uva-ursi (L.) Spreng.
bearberry, kinnikinnick
November 20, 1804

An image of the specimen in the Lewis and Clark herbarium. . . .

icon-4 Echinacea angustifolia DC.
blacksamson echinacea
January 1, 1805
icon-3 Blarina brevicauda
Northern Short-tailed Shrew
April 7, 1805
icon-3 Lynx rufus
April 7, 1805

While at Fort Clatsop, Oregon, the Captains took time to describe and compare the Northwest fauna to that east of the Rockies.  One animal ...  more>>

Journal Entries:

Near present-day Washburn
Distance from Camp Dubois: 1,610 miles

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