drainage [Noun] + natural [Adjective]

Strength Strength Dispersion
A:
12
CHISQ:
90.83
AWT:
11,268,055
TTEST:
3.1
G2:
37.12
FAWT:
4.82
MI:
3.24
LOGLOG:
11.62
JD:
0.7
MI3:
10.41
DICE:
0.16
RANGE: