The U.S. Army Corps of Engineers (USACE) has been studying and assessing the Mississippi River since the 1800s. As USACE begins a new multi-year study in 2013, the scientists will review the baselines established in the earlier assessments.
The Waterways Experiment Station produced the report: Studies of River Bed Materials and Their Movement, With Special Reference to the Lower MIssissippi River, January 1935, Paper 17. (Read report)
The Lower Mississippi Valley Division contracted with Carl F. Nordin and Bryan Scott Queen, Colorado State University, to produce: Particle Size Distributions of Bed Sediments Along the Thalweg of the MIssissippi River, Cairo, Illinois to Head of Passes, September 1989, Report 7. (Read report)