Posted by: Groundspeak Premium Member MNSearchers
N 42° 39.846 W 096° 55.953
14T E 669432 N 4725586
Quick Description: The men of the Lewis and Clark Expedition saw many natural curiosities during their trek to the Pacific Ocean.
Location: Nebraska, United States
Date Posted: 7/25/2006 8:53:21 AM
Waymark Code: WMJ6F
Published By: Groundspeak Regular Member GPX Navigators
Views: 26

Long Description:
On August 24 Captain Clark described "a blue Clay Bluff of 180 or 190 feet high. . . . Those Bluffs appear to have been laterly on fire, and at this time is too hot for a man to bear his hand in the earth at any debth." The bluff came to be known as the Ionia Volcano. Not until about 1900 did scientists learn that the heat was generated by the oxidation of shale. The bluff has since eroded into the Missouri River.

On August 25, from their camp due north of here, Lewis and Clark left the expedition briefly to view a conical hill, which according to Indian legend was "a place of Deavels...they are in human form with remarkable large heads and about 18 inches high." This hill, called Spirit Mound today, is located about eight miles north of Vermillion, South Dakota.
Marker Name: LEWIS AND CLARK CAMPSITES: AUGUST 23, 24, AND 25, 1804

City: no

Roadside: yes

Other: no

Web Address if available:: [Web Link]

Visit Instructions:
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1. Close up of historical marker
2. Picture of surrounding area (would prefer to have the marker in the picture also). Thanks!
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MNSearchers visited LEWIS AND CLARK CAMPSITES: AUGUST 23, 24, AND 25, 1804 7/22/2006 MNSearchers visited it

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