2001

2007

Depth

DRASTIC

Depth

DRASTIC

(Meters)

Rating value

(Meters)

Rating value

0.00

9.39

10

0.00

9.39

10

9.39

12.14

9

9.39

12.14

9

12.14

14.33

8

12.14

14.33

8

14.33

16.25

7

14.33

16.25

7

16.25

18.31

6

16.25

18.31

6

18.31

20.64

5

20.64

23.66

4

23.66

28.06

3

28.06

33.41

2

33.41

39.99

1