BNL 50797 UC-4] (Health and Safety - TID-4500) EXTERNAL RADIATION SURVEY AND DOSE PREDICTIONS FOR RONGELAP, UTIRIK, RONGERIK, AILUK, AND WOTJE ATOLLS why N.A. Greenhouse and R.P. Miltenberger December 13, 1977 BROOKHAVEN UPTON, NATIONAL NEW YORK LABORATORY 11973