Photodosimetry data* on Rongelap and Kabelle islands are in good agreement with the values reported herein. In general, it was found that gamma-dose rates were uniform over any individual island. © Such variations as occurred appeared to be associated with distinct features of the islands such as Marshallese living areas with little organic covering, wide roads, 5.1.2 shifting sand dunes, and tidal washes. Surveys at Specific Locations Table 5.2 presents readings taken at various specific locations on the islands. In general, most of the specific locations had been set up in the living areas by earlier survey teams and the levels are lower than those encountered over: the major portion of the islands.