302 ANALYSES OF KOCKS, U. S. GEOLOGICAL SURVEY. 
WYOMING, UTAH, NEW MEXICO. 
[BULL. 168. 
A. Loess, Cheyenne, Wyoming. Analysis by L. G. Eakins, record 
No. 1066. 
B. Adobe soil, Salt Lake City, Utah. 
C. Adobe soil, Santa Fe, New Mexico. 
D. Adobe soil, Fort Wingate, New Mexico. 
Analyses B, C, and D by Eakins, Nos. 981, 99C. 
Si0 2 
A1 2 3 
Fe 2 3 
FeO 
MgO 
CaO 
Na 2 
K 2 
H 2 
PA 
MnO 
co 2 
so 3 
CI 
Organic matter. 
67.10 
10.26 
2.52 
.31 
1.24 
5.88 
1.42 
2.68 
5.09 
.11 
3.67 
100. 28 
19.24 
3.26 
1.09 
2.75 
38.94 
trace 
trace 
1.67 
.23 
trace 
29. 57 
.53 
.11 
2.96 
100. 35 
66.69 
14.16 
4.38 
1.28 
2.49 
.67 
1.21 
4.94 
.29 
.09 
. 77 
.41 
.34 
2.00 
99.72 
J). 
26.67 
.91 
.64 
.51 
36.40 
trace 
trace 
2.26 
.75 
trace 
25.84 
.82 
.07 
5.10 
99.97 
