COitt tecss pane JOuM uw, umner se = - Gy snine. ane oy loth .@ chenomena cf cky cnine with the .essage of -ne cloud was documented ut St. Jeorre, .tah in the sprin: or 1953, @ cirma dose rom the sky spine nicht azve veen appraciccle men one considers the relatively ceavy fallom’&. 2ifficult >. kl@ ibetar is oxtremely +o assess. Jose rate readines were nade by different individuals, at lifferent times, at different locations, and vy iifferent :ypes of instrunents some of tmich were calitrated and some were not. Se ch oxact time of initial ?allout is not imown. 71 :our or aven half-hour .iivference in estimatine initial time of Zfellout vill aake a aifference in estinsiin~ toses in the carly tines efter detoe nation. . CLASSIFICATION CANCELLEL] AUTHORITY: DOE-DPC . BY wocevemeran, CATES | CBs A ey Distribution: orig, - Dr. Sugher Green, pink & yellow - tdi files 1 cc = Lt. Robt Sharpe, NMRI, NMC, Bethesda, -id. . ly co's - Bioph. BY. GPo OFFICE m | > BP 15--55741-