A St. Paul fire fighter removes a person from the bluffs of Lilydale Regional Park in St. Paul, Minn. after a rockslide Wednesday, May 22, 2013. A fourth-grade field trip to the Mississippi River park popular with fossil hunters turned deadly Wednesday when gravel saturated by persistent rain gave way, killing one child and injuring two others. A fourth child was missing. (AP Photo/The Star Tribune, Jerry Holt)