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Cover image for Groundwater quality and hydrology with emphasis on selenium mobilization and transport in the Lower Gunnison River Basin, Colorado, 2012-16

Groundwater quality and hydrology with emphasis on selenium mobilization and transport in the Lower Gunnison River Basin, Colorado, 2012-16

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Cover image for Water quality in principal aquifers of the United States, 1991-2010

Water quality in principal aquifers of the United States, 1991-2010

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Cover image for Overview of groundwater quality in the Piceance Basin, western Colorado, 1946-2009

Overview of groundwater quality in the Piceance Basin, western Colorado, 1946-2009

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Cover image for Chemistry and age of groundwater in bedrock aquifers of the Piceance and Yellow Creek Watersheds, Rio Blanco County, Colorado, 2010-12

Chemistry and age of groundwater in bedrock aquifers of the Piceance and Yellow Creek Watersheds, Rio Blanco County, Colorado, 2010-12

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Cover image for Preliminary assessment of sources of nitrogen in groundwater at a biosolids-application area near Deer Trail, Colorado, 2005

Preliminary assessment of sources of nitrogen in groundwater at a biosolids-application area near Deer Trail, Colorado, 2005

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Cover image for Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010

Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010

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Cover image for Use of diverse geochemical data sets to determine sources and sinks of nitrate and methane in groundwater, Garfield County, Colorado, 2009

Use of diverse geochemical data sets to determine sources and sinks of nitrate and methane in groundwater, Garfield County, Colorado, 2009

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Cover image for Redox conditions in selected principal aquifers of the United States

Redox conditions in selected principal aquifers of the United States

  • 2009
  • Format: Electronic
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Cover image for Vertical gradients in water chemistry and age in the northern High Plains Aquifer, Nebraska, 2003

Vertical gradients in water chemistry and age in the northern High Plains Aquifer, Nebraska, 2003

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Cover image for Water-quality assessment of the High Plains aquifer, 1999-2004

Water-quality assessment of the High Plains aquifer, 1999-2004

  • 2007
  • Format: Electronic
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