0
a.
0
Layered Fill
100
Top of Slab
4
Undisturbed
Sediment
200
8
Excavation Surface
Edge Effects
12
a. 100-MHz transducer.
0
0
b.
Top of Slab
Edge Effects
Ground Surface
10
Buried Objects
1.0
20
Undisturbed
30
Sediment
1.5
Reinforcement Mat
Layered Fill
40
Utilidor
Excavation
Bottom
Surface
2.0
0
10
20
30
40
50
60
70
W
E
Distance (m)
b. 400-MHz transducer.
0
0
Utilidor
Ground Surface
Fill
10
Buried Objects
1.0
20
Zone of Reinforcement
Undisturbed
(Inner Bunker)
30
Sediment
Main Bunker
1.5
Layered Fill
40
Excavation
Utilidor
Surface
Bottom
2.0
0
10
20
30
40
50
60
70
W
E
Distance (m)
c. Annotated sketch of 400-MHz profile.
Figure 16. Interpretive depth sections for transect 5.
15
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