MODFLOW-NWT model of the glacial aquifer system north of Aberdeen, South Dakota, through water year 2015
A previously developed three-dimensional groundwater flow model 
(https://doi.org/10.3133/sir20125183) of the three primary aquifers
in the region north of Aberdeen, South Dakota, was revised to 
assist the City of Aberdeen with water-resource planning.  The 
principal aquifers are the Elm, Middle James, and Deep …