Watters_ls_hrr_110918_len_azi.txt The files contain seven fields for each digitized polyline segment. Those field are: ID code, slon, slat, elon, elat, length, azimuth ID codes are 100 = lobate scarp 101 = high-relief ridge slon = segment start longitude slat = segment start latitude elon = segment end longitude elat = segment end latitud length = segment length (km) azimuth = segment orienation (degrees, 0 = north))