Andrew C. Ziegler

Method of Analysis and Quality-assurance Practices by U.S. Geological Survey Organic Geochemistry Research Group

Determination of Geosmin and Methylisoborneol in Water Using Solid-phase Microextraction and Gas Chromatography/mass Spectrometry

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Selenium in Reservoir Sediment from the Republican River Basin

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Atrazine in Source Water Intended for Artificial Ground-water Recharge, South-central Kansas

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Water-resources Investigations Report

2001-2004

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Regression Analysis and Real-time Water-quality Monitoring to Estimate Constituent Concentrations, Loads, and Yields in the Little Arkansas River, South-central Kansas, 1995-99

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Baseline Water Quality and Preliminary Effects of Artificial Recharge on Ground Water, South-central Kansas, 1995-98

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Hydrogeology, Water Chemistry, and Subsidence of Underground Coal Mines at Huntsville, Missouri, July 1987 to December 1988

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Continuous Real-time Water Information

A Vital Kansas Asset

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Effects of Reclamation on Water Quality and Geochemical Processes in Lakes in an Abandoned Surface Coal Mine in Henry County, Missouri

August 1988-May 1990

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Selenium in Reservoir Sediment from the Republican River Basin

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Occurrence of Selected Pesticides, Nutrients, Selected Trace Elements, and Radionuclides in Ground and Surface Water from West-central Missouri--July 1990-March 1991

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Effects of Reclamation on Water Quality and Geochemical Processes in Lakes in an Abandoned Surface Coal Mine in Henry County, Missouri

August 1988-May 1990

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Water Quality in the Equus Beds Aquifer and the Little Arkansas River Before Implementation of Large-scale Artificial Recharge, South-central Kansas, 1995-2005

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