800 TTT TT Lawes —_ 700 600 500 r\ \ ME \ Sa SA T \ ° wa sootrriitiiiitiyri 300 jttip ya i} 4 f\ 1 100 I Prd ° ! oO a7 nw OS oO on a \ 2 — oO ° Qo - I a ! 4 A aoe 3° rere Tree ' bn Ww ° ° ° ° 100 peritid ti big \ ° rrr | Ny Distance from GZ, Yards 400 7 200 100 0 tir ay bitutrriy 100 200 300 Distance from GZ, Yards Figure 177. Operation HARTTACK I Fig. On-site dose rate contours in r/hr at H+l hour. 313