Reconnaissance of Ground-Verstraeten, I. M., Ellis, M. J. 1995. Water Quality in the Papio-Missouri River Natural Resources District, Eastern Nebraska, July through September 1992 (WRIR-94-4197). 90 pps, size 8.5" x 11." Description: This report describes the water quality of the principal aquifers in the study area. Wells representative of the geology and land use in the area were selected for water-quality sampling. Constituent concentrations are compared with then-current (1993) EPA drinking water regulations. Variations in constituent concentration among aquifers are discussed.