ditch [Noun] + drainage [Noun]

Strength Strength Dispersion
A:
34
CHISQ:
5,633.73
AWT:
4,085,522
TTEST:
5.8
G2:
293.43
FAWT:
13.31
MI:
7.39
LOGLOG:
37.59
JD:
0.8
MI3:
17.56
DICE:
4
RANGE: