— 32 —"S3 ——~ 54 — 55 — $6 APPROXIMATE HIGH TIDE LINE, I972 PEARL—LUJOR som FIGURE 7-95. ISOPLETHS ON 905) ACTIVITY IN pCi/g (AVERAGE IN TOP 40 CM) FOR ISLAND PEARL —nsn —-BL ——— $I — $2 ——s3 — 34 —5 —— 86 APPROXIMATE HIGH TIDE LINE, [972 PEARL—LUJOR som FIGURE 7-96. ISOPLETHS ON FINAL ESTIMATED SURFACE TRU ACTIVITY IN pCi/g FOR ISLAND PEARL 319