TY - RPRT TI - Concentration history during pumping from a leaky aquifer with stratified initial concentration AU - Daniel J. Goode AU - Paul A. Hsieh AU - Allen M. Shapiro AU - Warren W. Wood AU - Thomas F. Kraemer PY - 1993 UR - https://pubs.usgs.gov/publication/70018246 ID - 70018246 ER -