apring 1953. (The skin damage observed on shee; in the spring 1953 was not established to be beta turns.) However, tue exact positions of the aninals in relation to know ancunts ef fallout erv not clear. Pollowing the last detonation of the spring 1952 series af the Nevada Proving Grounds, about one half of a herd ef 155 head of cattle ware found to have evidenee of beta burns. They vere thought te have been 15-20 ailes from ground sere in Kawieh Valley to the northeast and te have been exposed to fallout from the last detonation. dose rate readings (14 CT on a 30O foot tever) Righest taken along a dirt road ruming this valley, integrated lengthvise through to 75-100 infinity gamma doses. During Upshot-fncothole, 16 horses showed skin lesions ever the back an? eye daaage was note’ in a few. The best evidence indicated that the horses vere some fl uiles to the east ef ground zero om 17 Mareh 1954, where the fallout oceurrec from the first detonation (16 KT en a KC foot tower,. Radiation levels in this area ere nct mow with certainty but the fallout seeurred tr a narrow band and was carried by relatively high velocity winds: go that it probably ene hour. fell en the horses at a time legs than If go, probably more than cnetielf of the infinity dese vas deliverec during the next day Suerstiona, Feasibility Under the criteria recommended in Teliey I1, there would have been two occasione in the past where personne) would have been requested to wo CEE ea w de cl Cy Bee we Vas,