Soil depth (cm)

Horizontal distance (cm)

Vertical distance (cm)

0

30

60

0 - 30

30 - 60

0 - 20

35.5

47.7

35.3

32.5

22.7

20 - 40

27.5

39.1

26.0

21.0

17.4

40 - 60

21.7

22.1

8.3

15.6

9.8

60 - 80

23.2

18.7

13.4

9.8

8.6