TY - RPRT TI - Methods for evaluating temporal groundwater quality data and results of decadal-scale changes in chloride, dissolved solids, and nitrate concentrations in groundwater in the United States, 1988-2010 AU - Bruce D. Lindsey AU - Michael G. Rupert PY - 2012 DO - 10.3133/sir20125049 UR - https://pubs.usgs.gov/publication/sir20125049 ID - sir20125049 ER -