The schedule for Trinity Health's Mobile Mammography Unit follows: May 6 at Watford City, 842-3000; May 14 at Kenmare Community Hospital, 385-4296; May 15 at Fessenden, 547-3787; May 21 at Tioga Clinic, 664-3368; May 22 at Mountrail County Medical Center, Stanley, 628-2505; May 28 at St. Luke's Hospital, Crosby, 965-6349.