encoding utf-8 survey Figure_of_Eight centreline date 1958.07.16 copyright 2011 UBSS team "O.C. Lloyd" team "C.A. Peckham" units tape feet data normal from to tape compass clino ignoreall #49 is 49 of MainChamber 49 70 15.7 117 0 49 71 26.7 117 0 71 72 27.75 060 0 72 73 15.25 050 0 73 74 15.0 005 0 endcentreline endsurvey