FEMALES 0-10 MALES 0-10 18 UNEXPOSED —— nzl9 18 EXPOSED -~- n=O 16 EXPOSED -- 16 14 SKELETAL AGE UNEXPOSED —~ 223 r ig @ 12 4 d ro 10 8 a~ x 8 6 6 4 . / rot - e oe . “ 2 2 4 6 8 10 AGE 12 14 16 18 20 4 6 8 MALES 0-5 18 EXPOSED =-~- nz6 , f at '8 fo Je 14 ~ i \210 a4 6° : gp? Ye og ¢ “ 7o y aa 16 - - : 14- - . we 14 oo oor 5 . 2°4° 6° 8° 10° 12) fa” 16 iB 30 AGE FEMALES 5-10 UNEXPOSED ——- n=10 f EXPOSED — -~ n=4 # x wai = 10. Ct Z 4 g- ff ‘ 6- L o@ 4 /. I4~ _ os 4 wy x = _ _ ZL © io- . J gL . . 7 J @ 12- 4 a , EXPOSED -- <nz3 _ o ~ UNEXPOSED —.n:7 16- . iP l2- '8~ - ‘a - Zz a a” 4- 16 1 20 - -- a MALES 5-10 tq. 20 woe : > 16 18 a 4 = - ay '8- 16 ft 4 é- 6 B 30 2 AGE (4 EXPOSED ~- -~n-6 woo = 12: qa - 10yo ta 5 8: an 2°4 12 AGE UNEXPOSED — n= 16 - fe 4- 10 FEMALES 0-5 UNEXPOSED —~ 1-9 ~ i6- SKELETAL AGE ; -* me 4 2 a aa wad 12 SKELETAL AGE 1:9 x, - 8 _ - 6- _ 4- 4 4u _ — 4 — _ 27 4 “2.74 6 8 Fig. 2. _ 10 AGE 12 14 16 18 2+ 20 - 2 Skeletal age. 4 6 8 10 AGE i214 Group ages as of March 1, 1954. - 30 - 16 18 20