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Physical and chemical data on sediments deposited in the Missouri and the Mississippi River flood plains during the July through August 1993 flood

February 1, 1999

Because sediments deposited by the 1993 floods on the Missouri and Mississippi rivers were thought to contain elevated concentrations of nutrients and trace elements, sediment deposits were sampled at 25 floodplain locations. The samples were analyzed for particle size, water content, volatile solids, nutrients, carbon, selected trace elements, pesticides, and semivolatile organic compounds. Preflood soil samples were analyzed for particle size only. Procedures for selecting sites, techniques developed for sampling, laboratory and analytical methods, and quality assurance methods also are described.

Citation Information

Publication Year 1998
Title Physical and chemical data on sediments deposited in the Missouri and the Mississippi River flood plains during the July through August 1993 flood
DOI 10.3133/cir1120L
Authors Gregg K. Schalk, Robert R. Holmes, Gary P. Johnson
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Circular
Series Number 1120
Index ID cir1120L
Record Source USGS Publications Warehouse
USGS Organization