IOWA ACADEMy OF SCIENCES, VOE. III. 
PLATE I. 
Figure 1. Exposure of LeClaire limestone at the Sugar creek lime quarries, Cedar 
county, Iowa. The limestone is obliquely bedded in the lower part of the section and 
horizontally bedded above. The same fauna occurs in both sets of beds. Oblique 
beds dip southeast. 
Figure 3. Oblique beds of LeClaire limestone, dipping northeast, in west bank of 
Mississippi river, one-half mile below LeClaire, Iowa. 
