Pea, (u) "ortegadie Cont<ateatio n thea Calcazo baides, It ecerg to ma thit resurdia.s of the mote of intro Guction of oxr90 into ths bucsn blolozicil cycle, that fact that the Chicago babies picked up 1/6 SL4. HINE unit froa a total ayiilable debris ebich my heve been aa low op 2,7/2:7 or even 1.55/27, fa quite sigaificant, It would bo interesting to repeaé the Chicsro baby exmerizent in 1955, If the babica show an uptexe of 1/2 CUCSHIKE unit or core in 195§ tha original ElauINE cstleate of 25,0002? alloyable say have to be lo-ered to 10,000 er 15,020eT, Your atic-tio perticulerly invited to Figure ll of the. - Inclosed report, eo ¢ cler “ite ge aceordanes with porecgrashs eo 7 This docucent 205-1, alr 66, and 23) l frel Teble I We YL LPuiey Lt Colozel, Wa? toate Cporations Fivision

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