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Big Muddy Creek (Missouri River tributary) facts for kids

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Big Muddy Creek
Wpdms nasa topo big muddy creek montana.jpg
The Big Muddy Creek in Saskatchewan and Montana
Countries
  • Canada
  • United States
Provinces/states
Physical characteristics
River mouth 1,900 feet (580 m)
Basin features
River system Missouri River

Big Muddy Creek is a tributary of the Missouri River, approximately 191 mi (307 km) long, in the Canadian province of Saskatchewan and the U.S. state of Montana. It flows through the Big Muddy Badlands.

It rises in southern Saskatchewan at Willow Bunch Lake, on the plains north of the international border and approximately 20 mi (32 km) northwest of Big Beaver. It flows southeast through the Big Muddy Badlands and through Big Muddy Lake, then south into Sheridan County, Montana, past Redstone, then east, past Plentywood, then south, forming the eastern border of Fort Peck Indian Reservation. It joins the Missouri west of Culbertson.

It was explored in 1805 by the Lewis and Clark Expedition, who called it Martha's River in their journals and noticed on their return voyage in 1806 that it had changed its mouth on the Missouri.

Along with the Milk River and the Poplar River, it is one of three waterways in Canada that drain into the Gulf of Mexico.

The lower section of the channel is a part of the ancestral Missouri river, which continued north where it joined the ancestral Saskatchewan river system to flow into Hudson Bay

Variant names

Big Muddy Creek has also been known as: Big Muddy River, Little Yellow River, Martha River, Martha's River, Marthas River, Marthy's River and Park River.

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