Datasets for the 2015 potentiometric surface and water-level changes (2011-2013, 2013-2015) in the Sparta-Memphis aquifer, in Arkansas
Dataset contains 20-ft contours for the 2015 Sparta-Memphis aquifer potentiometric-surface map, in Arkansas.  The potentiometric-surface shows altitudes at which the water levels would have risen in tightly-cased wells and represents conditions during the period from January through June 2015. Groundwater-level data …