OFFICIAL USE ONLY with our interest in the well being of these friendly peoples. Dr. Glass pointed out that it weuld be 2 gocd chanee tc get some kind of cheek on what the NAS pancl is cmphasizing, the dominant cffect of what arc commcnly called reecssive genes. Dr. Dunham said that he would keep Dr, Glass? suggestion in mind and seo what typc of study can be conc. otetus Report Uranium Write ne AT, Dr, Albert reported on his recent trip to Johannesburg, Africa, where he went to investigate the pcssibility of obtaining evidence on radcn expusures of thc mincrs. He said that an attempt was madc to spot these mines which would be representative. <A mine was selcctcd which mined cnly uranium, one which minca golc and one which mined both uranium and pold. Dr. Albert stated in summary that the Scuth African gold mining Situation appears to have the pessibility of making a useful contributic > toward cur ideas as tc what individuals can tolcrete in the way of long term exposure tc radon an? daughter products. and the expcsurcs there are appreciable. -~ 22. OFFICIAL USE_ONLY the populetion is large