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2. Estimating the high-arsenic domestic-well population in the conterminous United States;Ayotte;Environ. Sci. Technol.,2017
3. Potential corrosivity of untreated groundwater in the United States;Belitz,2016
4. Secondary hydrogeologic regions of the conterminous United States;Belitz;Groundwater,2018
5. The Quality of Our Nation’s Waters—Water Quality in Principal Aquifers of the United States, 1991–2010: U.S. Geological Survey Circular 1360;DeSimone,2014