COE, Rock Island District, Ill. No description specified. 1-2 (2 Records) Documents COE- Eldon Vicinity, Wapello County - Streambank Stabilization on the Des Moines River, Section 35, T71N-R12W. (1989) Environmental Assessment - Dredged Material Placement Sites for the Keithsburg Upper Dredge Cut - Pool 18- Upper Mississippi River Miles 426.8-427.2 (2002)