—NIl4
N
-— Ni2
— NIO
o~
APPROXIMATE HloH TIDE . 1972
X
ow
——N6
\
OCEAN
=
~
Eee
~— NB
5
5
SANDBAR - BUILDUP SINCE 1972
| AGUON
SALLY — AOMON
5
— 36
5
59
— 510
50m
——Sl2
— 314
— $I6
one S18
FIGURE 7-105. ISOPLETHS ON 137Cs ACTIVITY IN pCi/g (AVERAGE IN TOP 40 CM) FOR ISLAND SALLY