MITCHELLs Tes, Deomuce the calcium donanis of the fetus are 25 grape, where in a lactating period you get 60 grams of calolus going inte the milk, LIBSYé Well, that's very helpful. MITCHELLs Well, now I don't know whether the azcunt of lactating a{ik is greater than the size cf the fetus of not tut I iangite it would be smaller. VOICE: Bow are you golng to do that on a worldwide basis? MITCHELL: You'll have to ask the anthropologist that. CODER: There are a couple cf points about that ~ in your mis- a carriage material you have to realise that it has been dicated that the acoumilation of strontiwa would represe only that vhich was there a short tine before so that would really be making a sampling cver nayde @ 2 cr 3 mx period, LIBBY: Well, that's very good, the adult structure being a that is boild up cover 20 years, the pre-ateaic pericd, not interested in that, ve vant something that is atcale response, that does apply to recent tines. COLDER: This would be alright, but your locking at a 3 acnths but it depens cn whether your environzent has a Rianne ' bee 127