TY - RPRT TI - Comparison of groundwater-model construction methods, representations of glacial geology, model designs, and groundwater-model flow simulations within Elkhart County, Indiana AU - Leslie D. Arihood AU - David C. Lampe AU - E. Randall Bayless AU - Steven E. Brown PY - 2019 DO - 10.3133/sir20195088 UR - https://pubs.usgs.gov/publication/sir20195088 ID - sir20195088 ER -