LABORATORY OF RADIATION BIOLOGY UNIVERSITY OF WASHINGTON ae ae * . cez200S ———43 Mle Omen dee. _- Teh 1 we P Saae, . . . sab“ | J : tt | “ee | OF eure.an 4400 3700 4700 ena 3900 .%. © 3900gas Sear eo veutng Oh 7 i 5200 sete | vs 4838 yon 4398 /aa| ” | | Neer — | peo 8 tece ad | fe EEE A800 po cnn feminine are a geno BRfoe ! | : pa IL ‘ ere 7° fe oe | . - a 1 93000. oo | ; 00 +o Sst a - i ae | ‘ “ . ats1800 po 3200| _ 3100 . pune eens | . | on - pe oreo Strontium units in Birgus latro (coconut crab) skeleton at Rongelap Atoll, September, mT oe 1959

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