years of ave, and 417% live tiethe of interest in Nevada. 9: tear in the ecinties In wacnington goanty, were 628 children under 5 in i869, and 332 live births in 1950. Utah, there O70 live births in 1950 This indicates that there were approxincately 250 to 3CO children tf 6 to 18 months in the county at any given time. Individual children on any of « liri, nunber of ranches could have received high thyroid radiation doses (such as, for instance, the 21 to 137 rads possiblle at in Nevada on July 15, 1957). the Geyser Ranch There are repeated cases in which we know it is quite likely that a considerable number were exposed. The entire Washingtcn county was blanketed with fallout levels that could cause 5-100 rad or higher doses on at least 7 different 2ccasions. Not only was fresh wil: on farzs probably affected, but also pasteurized milk, for much of the milk delivered in the county is not mixed with milk from other areas, St. George has one local dairy, the Whivteneacd Uairy, which collects milk only in Washington County, in tne immediate vicinity of St. George, and distributes it locally. The arden Meadowgold Dairy collects ite milk in nearbdy Iron, Fiute and Beaver counties, These dairies have been in business throughout the period under consideration with the same collection and 19 . . distribution cxuttern. 7” Pasteurized milk from these dcairie: vould be expected to have ictine levels lower Dy a fastor of .85 than the