a. Aerial view showing distribution of ice blocks stranded during ebb tide.
b. Ice block pile along high point near gully margin.
Figure 64. Stranded ice blocks on the southern edge of In-between Gully.
The positive analyses for WP-contaminated
surrounding mudflat, or both. Although other
sediments on ice floes and in gully runoff give
samples in 1994 from Bread Truck and Parachute
some indication that migration of WP within the
gullies proved negative, they were taken during
site and off-site is taking place. They clearly show
high tides of less than 5.03 m. Each flood when
the need for further investigation of WP transport
the B-Gully samples proved positive exceeded
and redeposition, including active deposition ar-
5.15 m, so the former samples may not be repre-
eas of Knik Arm.
sentative.
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