Mt. Pleasant Mine Service, LLC 150 Three Mile Hill Mt. Pleasant, PA 15666 We are located at the top of Three Mile Hill on Route 31 East GPS takes you to the bottom! Hours of Business: 7:00 a.m. - 3:30 p.m. Mon - Fri 7:00 a.m. - 11:00 a.m. Saturday Telephone: 724-547-3373 FAX: 724-547-3878