‘ = me - AS Sgt =~.) “a ae! Pig. 2 aa fe —™. ESTIMATE OF STRONTIUM 90 FALLOUT THROUGH SEPTEMBER 1956 MILLICURIES PER SQUARE MILE . nm
‘ = me - AS Sgt =~.) “a ae! Pig. 2 aa fe —™. ESTIMATE OF STRONTIUM 90 FALLOUT THROUGH SEPTEMBER 1956 MILLICURIES PER SQUARE MILE . nm