Integrated Deep Soil N and Groundwater Isotope Investigation of N Sources Captured by Municipal Wells von Spalding, Roy F., Hirsh, Aaron J., Exner, Mary E., Stange, Marty, Aravena, Ramon

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Nebraska's groundwater legacy: Nitrate contamination beneath irrigated cropland von Exner, Mary E., Hirsh, Aaron J., Spalding, Roy F.

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Long-term response of groundwater nitrate concentrations to management regulations in Nebraska's central Platte valley von Exner, Mary E, Perea-Estrada, Hugo, Spalding, Roy F

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Atrazine and Nitrate in Public Drinking Water Supplies and Non-Hodgkin Lymphoma in Nebraska, USA von Rhoades, Martha G., Meza, Jane L., Beseler, Cheryl L., Shea, Patrick J., Kahle, Andy, Vose, Julie M., Eskridge, Kent M., Spalding, Roy F.

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Risk-Managed Approach for Routing Petroleum Pipelines: Keystone XL Pipeline, Nebraska von Spalding, Roy F, Hirsh, Aaron J

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Enhanced in situ denitrification for a municipal well von Khan, Imtiyaz A, Spalding, Roy F

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Long-Term Groundwater Monitoring Results at Large, Sudden Denatured Ethanol Releases von Spalding, Roy F., Toso, Mark A., Exner, Mary E., Hattan, Gregory, Higgins, Tom M., Sekely, Adam C., Jensen, Shane D.

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Controlling Nitrate Leaching in Irrigated Agriculture von Spalding, Roy F., Watts, Darrell G., Schepers, James S., Burbach, Mark E., Exner, Mary E., Poreda, Robert J., Martin, Glen E.

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Herbicides in Ground Water beneath Nebraska's Management Systems Evaluation Area von Spalding, Roy F, Exner, Mary E, Snow, Daniel D, Cassada, David A, Burbach, Mark E, Monson, Stephen J

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Transport and degradation of ethanol in groundwater von Zhang, Yi, Khan, Imtiyaz A., Chen, Xun-Hong, Spalding, Roy F.

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Determination of atrazine in water at low- and sub-parts-per-trillion levels by using solid-phase extraction and gas chromatography/high-resolution mass spectrometry von Cai, Zongwei, Ramanujam, V. M. Sadagopa, Giblin, Dary E, Gross, Michael L, Spalding, Roy F

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Herbicide loading to shallow ground water beneath Nebraska's Management Systems Evaluation Area von Spalding, R.F, Watts, D.G, Snow, D.D, Cassada, D.A, Exner, M.E, Schepers, J.S

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Development of a quality-assessed agrichemical database for monitoring anthropogenic impacts on ground-water quality von EXNER, Mary E, SPALDING, Roy F, HARRELL, Dorothy M

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Atrazine, Deethylatrazine, and Deisopropylatrazine Persistence Measured in Groundwater in Situ under Low-Oxygen Conditions von Papiernik, Sharon K, Spalding, Roy F

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Shallow groundwater denitrification von Spalding, Roy F., Parrott, Jack D.

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Development of a procedure for sustainable in situ aquifer denitrification von Khan, Imtiyaz A., Spalding, Roy F.

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Effects of artificial recharge on ground water quality and aquifer storage recovery von Ma, L. (University of Nebraska-Lincoln, Lincoln, NE.), Spalding, R.F

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Atrazine and Nitrate in Public Drinking Water Supplies and Non-Hodgkin Lymphoma in Nebraska, USA von Rhoades, Martha G., Meza, Jane L., Beseler, Cheryl L., Shea, Patrick J., Kahle, Andy, Vose, Julie M., Eskridge, Kent M., Spalding, Roy F.

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Effects of land use and river seepage on groundwater quality in Hall County, Nebraska / Roy F. Spalding von Spalding, Roy F

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A chemox treatment for urea- and ammonium-contaminated groundwater von Spalding, Roy F., Khan, Imtiyaz A., Exner, Mary E.

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