how to read mileage mxxx - m052 = mile 52 mxxxx - m0575 = mile 57.5 mxxx - m102 = mile 102 mxxxx - m1012 = mile 101.2 sources: https://caltopo.com/m/9BNA (leidy peak alternates) linked from https://pmags.com/east-to-west-uinta-highline-trail