0.4
a0.
70
10}
190
500
72
440
270
92
8]
\
CyesSS
Ae
200
2224
ZA
102
100
°389
.
°
Wi
650
357
140
300
200
100
240
670
150
7.8
oN
178
237
;
31
21
54
Ll)
0 10 20 MILES
Fig. 5—Isointensity contours for 20- to 50-u particle diameters in
milliroentgens per houy at 1 hr.
WVHDOUd HOYUVAESAY LNOTIVA LOHS AO TTVWS
50
$9
20