Ap
Bt1
Bt2
Bt3
BC
C
0
23
38
71
99
145
—
5
7
argillic horizon
ochric epipedon
0—23
—-
10
335
180
899
155
8
22
-5
12
2
558
0010
RIVER FALLS 1.4 S, WI US
NOAA