“18
-lé
dq
i2
10
8
6
4
ee‘
2
Q
2
et|
4
6
|
&
1
l2
14
i6
198
dE
20
!
22
e4
26
28
30
|
_— Nia
—-Nie
— NIG
5
APPROXIMATE HIGH TH i472
—— Nik
= NO
—~
OCEAN
Ng
—
bee
~MN?
5
5
SANDHAR - BUILDUP SINCE
5
5
1972
| fhota Ny
ee SIO)
SALLY — AOMON
Sc}
o> SL?
— Sa
—— SIG
~~ S18
FIGURE 7-106. ISOPLETHS ON 99S; ACITIVTY IN pCi/g (AVERAGE IN TOP 40 CM) FOR ISLAND SALLY