Jorgensen, Don. Sioux Falls diverts water to ease flooding[1]Archived 2011-09-27 at the Wayback MachineKELO-TV. March 15, 2010. (accessed April 19, 2010).
U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed March 30, 2011
U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed March 30, 2011
Jorgensen, Don. Sioux Falls diverts water to ease flooding[1]Archived 2011-09-27 at the Wayback MachineKELO-TV. March 15, 2010. (accessed April 19, 2010).