Soil depth (cm)

Horizontal distance (cm)

Vertical distance (cm)

0

30

60

0 - 30

30 - 60

0 - 20

14

14

7.0

7.0

14

20 - 40

11

18

11

7.0

18

40 - 60

11

14

11

11

18

60 - 80

11

11

18

35

14