The search is on for a missing California man at the Grand Canyon. National Park Service officials say 66-year-old Peter Schwab of Healdsburg, California was last seen Friday on a river trip on a small beach downriver from National Canyon. He was reported missing after a day hike to the Narrows in National Canyon. Schwab was last seen wearing a tan, full-brim hat, a white long-sleeved shirt, gray cargo shorts and older-style Teva shoes/sandals. Crews are searching the area and are asking anyone who may have seen him, to contact the National Park Service at (928) 707-2482.