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Nov.
Dec.
Sept.
Aug.
.
July
Pro
or?
ot Pt
tte
|
Wh AOODN w7oOoO=aA
13
Mar.
Apr. |
~ May
on June
Dec.
Jan.
Feb.
Nov.
Aug.
Sept. |
Oct.
# July
on June
«© May
Apr.
Mar.
Feb.
Jan.
Dec.
Sept.
Oct.
Nov.
w May
O1 June
July
Aug. |
ot¥
.
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Mar.
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yn
Total Deposition , mc sr 99 / Mi@
3
iaitig. 4:Sr90 Fallout History, Ghicago Milkshed Area
Avail Sr 90 I™
A l091- |
IS
S90 Deposition,
Chicago Rains
|
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