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US Army Corps of Engineers
Mississippi Valley Division Website

Rock Island and St. Paul Districts Reports

U.S. Army Corps of Engineers, Rock Island (MVR) and St. Paul (MVP) Districts reports

“Report on the Sedimentary Characteristics of the Upper Mississippi River,” USACE, St. Paul District, 1935. Available through ERDC Library.

“Suspended Sediment Program of the Rock Island District Office, Corps of Engineers, U.S. Army,” T.L. Pewe, Journal of Sedimentary Petrology, Vol 16, No. 3, pp 97-109, 1946.  Available through GeoScience.