SIOUX FALLS, S.D.  (MITCHELLNOW) A popular recreation trail in Sioux Falls is getting a big expansion, thanks to two generous donations. The Sioux Falls Parks Foundation has announced a $1.3 million donation from Jeff and Tammie Broin, along with the Ashby family. The funds will help extend the trail by a mile, running through northeastern Sioux Falls on the north side of the Big Sioux River.