130 
IOWA ACADEMY OF SCIENCE 
Explanation of Plate X. 
Pig. 1. Section of “paha” along wagon road on west side of the SW% of Sec. 7, T. 91 
N., R. XIV W., in Bremer county, Iowa. Looking east. The light band 
near the base of the section is gray loess. (See p. 120.) 
Fig. 2. A part of the same section, 
p. 120.) 
The gray loess tapers toward the left. (See 
