By Grace King, Mt. Pleasant News Iowa State Patrol responded to a head-on collision on 220th St. on Monday, Jan. 22, around 8:45 a.m.Camden Linkin, 18, was traveling eastbound on 220th St. when he drifted over the centerline, striking Valerie Harmon, 66, in a white minivan, who was traveling westbound.Harmon's 2011 Chrysler minivan landed in the ditch, while the front end of Linkin's 2007 Ford Focus was ...