Big Muddy Creek (Missouri River tributary) Big Muddy Creek (Missouri River tributary) 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
Muddy Creek (Lamine River) Muddy Creek (Lamine River) Muddy Creek is a stream in Johnson and Pettis Counties in the U.S. state of Missouri. It is a tributary of Lamine River. The stream headwaters arise in southeastern Johnson County just east of the community of Sutherland and Missouri Route 23 at . The stream flows northeast and enters Pettis County about three miles southeast of Whiteman Air Force Base. The stream continues to the northeast passing under Missouri Route 127 three miles south of LaMonte and under U.S. Route 50 three miles west of Sedalia. It crosses under U.S. Route 65 six miles north