Chemical Data for Water Samples Collected During Four Upriver Cruises on the Mississippi River Between New Orleans, Louisiana, and Minneapolis, Minnesota, May 1990-April 1992

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U.S. Geological Survey Circular

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Open-file Report

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Mississippi River and Tributaries Flood Control Plan, Big Sunflower River Maintenance Project, Yazoo Basin, Sunflower County, Washington County, Humphreys County, Sharkey County, Yazoo County

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Data on Natural Organic Substances in Dissolved, Colloidal, Suspended-silt, and -clay, and Bed-sediment Phases in the Mississippi River and Some of Its Tributaries, 1991-92

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Contaminants in the Mississippi River, 1987-92

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Data on Natural Organic Substances in Dissolved, Colloidal, Suspended-silt and -clay, and Bed-sediment Phases in the Mississippi River and Some of Its Tributaries

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Water-resources Investigations Report

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Mississippi River Levees and Channel Improvements (MO, IL, KY, TN, AR, MS)

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Physical and Chemical Characteristics of Knowles, Forgotten, and Moqui Canyons, and Effects of Recreational Use on Water Quality, Lake Powell, Arizona and Utah

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