er UWFL-92 BIOLOGY AND MEDICINE (TID-4500) ATOLL SOIL TYPES IN RELATION TO THE DISTRIBUTION OF FALLOUT RADIONUCLIDES E.E. Held, S.P. Gessel and R.B. Walker Laboratory of Radiation Biology University of Washington Seattle, Washington Lauren R. Donaldson Director August 1965 Operated by the University of Washington under Contract No. AT (45-1)1385 with the United States Atomic Energy Commission. cee PAL A