0
a.
0
Ground Surface
Fill
100
4
200
8
Excavation Surface
Layered Fill
Layered Fill
12
a. 100-MHz transducer.
0
0
b.
Ground Surface
Buried Utilities (?)
10
Fill
1.0
20
Buried Utilities (?)
30
1.5
Undisturbed
Sediments
40
Excavation Surface
2.0
W
E
0
10
20
30
40
50
Distance (m)
b. 400-MHz transducer.
Figure 10. Interpretive depth sections for transect 1.
0
a.
0
100
4
200
8
12
300
0
10
20
30
40
50
60
Distance (m)
a. 100-MHz transducer.
0
b.
0
10
1.0
20
30
1.5
40
2.0
50
0
10
20
30
40
50
60
W
E
Distance (m)
b. 400-MHz transducer.
Figure 11. Profile recorded along transect 2.
10
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