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Chamberlain Township in Brule County, South Dakota — The American Midwest (Upper Plains)
 

The Missouri River

Chamberlain and the Lewis & Clark Expedition

 
 
The Missouri River Marker image. Click for full size.
March 3, 2024
1. The Missouri River Marker
Inscription. This spot offers a spectacular view of the Missouri River, but the river is much different today from when Lewis and Clark traveled up it. Several huge dams now control its flow.

When the expedition came through, the river could go from a mere trickle to a raging torrent almost overnight. The party often had to haul its boats over sandbars, which Clark described as "too numerous to mention."

Despite the changes in the river, Clark's maps are remarkably accurate. For example, his drawing of the White River to the Big Bend (also called the Great Bend or Grand Detour) is unmistakable when compared to modern maps.
Liberty of Congress
USACE

 
Topics and series. This historical marker is listed in these topic lists: ExplorationWaterways & Vessels. In addition, it is included in the Lewis & Clark Expedition series list.
 
Location. 43° 49.659′ N, 99° 18.703′ W. Marker is near Chamberlain, South Dakota, in Brule County. It is in Chamberlain Township. It can be reached from State Highway 50 south of Thunder Road, on the right when traveling south. Located in Roam Free
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Park north of Chamberlain. Touch for map. Marker is in this post office area: Chamberlain SD 57325, United States of America. Touch for directions.

Regionally, this marker is in East River. It is also in the American Lewis & Clark Corridor, on the prairies, and on the Northern Plains. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once Rupert’s Land and also the Louisiana Purchase.

Other nearby markers. At least 8 other markers are within 4 miles of this marker, measured as the crow flies: The Plant Life (here, next to this marker); Divine Infant Home (approx. 0.6 miles away); St. Joseph's Memorial (approx. 0.6 miles away); Chamberlain (approx. 1.2 miles away); Barger Park (approx. 1.3 miles away); Roland L. Dolly Memorial Recreational Trail (approx. 1.9 miles away); This was until 1953 American Island (approx. 2.4 miles away); Missouri River Bridges of South Dakota (approx. 3.1 miles away). Touch for a list and map of all markers in Chamberlain.
 
The Missouri River Marker (left) image. Click for full size.
March 3, 2024
2. The Missouri River Marker (left)
The Missouri River Marker image. Click for full size.
March 3, 2024
3. The Missouri River Marker
The Missouri River can be seen in the background.
 
 
Credits. This page was last revised on March 7, 2024. It was originally submitted on March 7, 2024. This page has been viewed 266 times since then and 34 times this year. Photos:   1, 2, 3. submitted on March 7, 2024.
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Jul. 7, 2026