FREDERICK,
MD.
ROENTGENS
PER HOUR
i
ae
A
e
Taree
ae
ms
oo hatte
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oS
SE
4
;
*
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woe
a
tee
.
f
:
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raha
wo ati
fo
PATUXENT RIVER
NAVAL AIR STATION
3
tl
“ye .
Fy
-i! ONE HOUR..a.
_ SAFTER BURST:
ve
+ (ROENTGENS PER HOUR).
—
‘
3
4. LEVEoLeS ©:
Oo
a
icya8
7
TE tes wrens
Tew ay
— ore year wen are oe
’
*
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