TY - RPRT TI - Development, calibration, and testing of ground-water flow models for the Mississippi River Valley alluvial aquifer in eastern Arkansas using one-square-mile cells AU - G.L. Mahon AU - D.T. Poynter PY - 1993 DO - 10.3133/wri924106 UR - https://pubs.usgs.gov/publication/wri924106 ID - wri924106 ER -