348
KNOX
Fig. 9—Preliminary gamma-isodose-rate contours observed ait H+ 1
hr.4 Readings in roentgens per hour minus H+ lhr. Data taken from
Nuclear Defense Laboratory ground surveys (close in); Edgerton, Ger-
meshausen & Grier,Inc., aerial surveys (intermediate range); and U.S.
Geological Survey aerial survey (long range).