CLAYS, SOILS, ETC. 229 
IDAHO AND UTAH. 
A. Adobe soil, Salt Lake City, Utah. Analysis by L. G. Eakins, record No. 996. 
B. Lava soil; near Shoshone Falls, Idaho. Described by Russell in Bull. 199. 
Analysis by W. F. Hillebrand, record No. 1950. 
Chews 
MnO. 
Organic matter. 
NEW MEXICO AND ARIZONA. 
A. Adobe soil, Santa Fe, New Mexico. 
B. Adobe soil, Fort Wingate, New Mexico. 
Analyses A and B by L. G. Eakins, record No. 981. 
C. Clay, Salt River Valley, Arizona. 
D. Clay, about 1 mile from C. 
Analyses C,D, by E. T. Allen, record Nos. 1945, 1959. 
a Loss on ignition. 
15619—Bull. 419—10—_16 
