David N. Stearns | nlvenber 10, 1952 These results represent the worst that has been experi fallout. The levels quoted are those observed immedia the fallout has occurred when the intensities ere greatest: after with- in the Proving Ground itself, 50 r per hour or more in ajstrip a few hundred yards in width mmning to perhaps five or ten Ground Zero; at a distance of 50 miles, an intensity of per hour covering en area of a few miles in diameter; at from 100 to 200 miles, a few hundredths of an r per hour [in a strip of a few tentas of miles in width. (days ) ORIGINAL SICSED BY THOMAS ,| WHITE Thomas BH. White Group Leader H-6 THW: pw Enc. ec 1. W. &. Jonnson's write-up 3. Charts 2. Photographs David Stearns William §. Johnson H-6 Files weGuae}