CEOCbOOS TARE (ENEMAN) roan 49-50 20-30 100-150 509-600 106150 30-60 _ 30-60 jOO— 500 39--60 40-50 4g— 30 . 39 40 100-200 190— 300 190200»: so 60 eee ee eee eee 49—60 OfEP POND BOO $00 10-300 30— 40 00-000 Range of Survey Reswity in micro /he OO Survey Result in migo—R/he of thot Location SCALE IN YAROS Qo Figers $. Roger—Seqar—Tors Islonds — Bockgrovnd Radnation Survey Rew 750 13060