An emergency worker attends to a person on a stretcher, being evacuated out of a rockslide site by helicopter, on the West Side of St. Paul, Wednesday, May 22, 2013. One child on a school field trip was killed and another remained missing after a gravel slide Wednesday in a St. Paul park that’s popular with children looking for fossils, authorities said. (AP Photo/The St. Paul Pioneer Press, Scott Takushi)