TY - RPRT TI - Hydrogeologic framework and simulation of ground-water flow and travel time in the shallow aquifer system in the area of Naval Support Activity Memphis, Millington, Tennessee AU - James L. Robinson AU - John K. Carmichael AU - Keith J. Halford AU - David E. Ladd PY - 1997 DO - 10.3133/wri974228 UR - https://pubs.usgs.gov/publication/wri974228 ID - wri974228 ER -