fn To conserve space, daily fallout maps for the month of Jue fre not show. Rather, a map showing the average daily fallout for the month is given, together with the number of days for » which data was available at each station. Again, the extrapolatiar tsBased on Nectar, and activity is shown at 100 days after burst. It is also likely that the major portion of the fallout an. June originated from Yankee and all values should be increased . by about 25% to give values at 100 days after Yankee. Although the discussion of the transport of debris in the atmosphere has been confined to essentially horizontal trajectories, the actual paths of individual radioactive particles are complex, three-dimensional phenomena, influenced by the fall velocities of. the particles, atmospheric turbulence, rain scavenging and wea orographic effects. Aa - 18 -