TY - RPRT TI - Pumping tests in networks of multilevel sampling wells: Motivation and methodology AU - J.J. Butler AU - C.D. McElwee AU - Geoffrey C. Bohling PY - 1999 DO - 10.1029/1999wr900231 UR - https://pubs.usgs.gov/publication/70022004 ID - 70022004 ER -