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Tag Archives: groundwater

Groundwater Awareness Week, March 6-12, 2011

Groundwater is one of our most vital natural resources. The USGS studies the quantity and quality of the nation’s groundwater. Learn about USGS research in an aquifer near you.

What’s Water Doing Underground?

Learn how 3-D modeling is used to examine groundwater and how this cutting edge science is used to solve tomorrow’s problems today.

Nutrient Concentrations in our Water

Nutrient sources in both agricultural and urban areas contribute to elevated nutrient concentrations in streams and groundwater across the Nation.

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Page Last Modified: February 7, 2011