SPECIAL INTRO FOR MORNING EDITION As anyone in the Red River Valley can tell you, floodwaters dredge up an awful lot of junk you might never expect. And though the flooding wasn't as severe, when the waters of the Mississippi through the Twin Cities receded, tons of garbage was left along the banks. Dozens of volunteers boarded the Harriet Bishop Riverboat yesterday (THU) to help clean up some of that trash. Minnesota Public Radio's John Rabe was on the banks in Saint Paul riverboat stopped to drop off bags of garbage. That report from Minnesota Public Radio's John Rabe. Sun 28-MAY 19:10:01 MPR NewsPro Archive - Wed 04/11