Interstate 29 reopens in South Dakota as Big Sioux River begins to drop
Friday, June 20, 2014 - 17:30
in Mathematics & Economics
Frances BurnsSIOUX CITY, Iowa, June 20 (UPI) -- The Big Sioux River, a major tributary of the Missouri, crested Friday at lower levels than expected at Sioux City, Iowa, allowing Interstate 29 to reopen.