1
|
log |
2
|
roll top |
3
|
pallisade |
4
|
4
|
5
|
6A
|
6B
|
Step to water |
6C
|
Step out of water |
7
|
8
|
9
|
10
|
11
|
12
|
13
|
13B
|
13C
|
14
|
15
|
16
|
16BC
|
17
|
18
|
19
|