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 River Rollers Association drew in a capacity crowd of eight hundred fans. In September 2012, Muddy River competed at the Roller Derby Association of Canada's first Atlantic Canada Roller Derby Championship, beating the Fog City Rollers to win the tournament and qualify for the following year's national championship. Muddy River was accepted as a member of the Women's Flat Track Derby Association Apprentice Program in April 2013, and became a full WFTDA member in October 2014. Muddy River received their first ranking as a WFTDA member with the May 31, 2015 rankings update, debuting at 99 overall. Muddy River Rollers The Muddy