in: Awesome Possum. Awesome Possum is the main protagonist of the video game Awesome Possum... Kicks Dr. Machino's Butt, the game is slightly remembered for it's various lines of recorded dialog, a first for the 16-bit era.
The Big Sioux River begins at a pond in Roberts County, about a mile and a half north of Summit, and flows 419 miles south, through nine counties, emptying into the Missouri River at Sioux City. The river snakes through three of our five largest cities â Watertown, Brookings and Sioux Falls â making it the most heavily populated river basin in South Dakota.
Monitoring and assessment reports and data. 1  Missouri River Basin Watersheds Monitoring and Assessment Summary. 2  Missouri River Basin (Upper Big Sioux, Lower Big Sioux, Little Sioux, and Rock River Watersheds) Monitoring and Assessment Report. 3  Lower Big Sioux River Watershed Biotic Stressor Identification Report.