TY - RPRT TI - Evaluation of the importance of clay confining units on groundwaterflow in alluvial basins using solute and isotope tracers: the case of Middle San Pedro Basin in southeastern Arizona (USA) AU - Candice B. Hopkins AU - Jennifer C. McIntosh AU - Chris Eastoe AU - Jesse E. Dickinson AU - Thomas Meixner PY - 2014 DO - 10.1007/s10040-013-1090-0 UR - https://pubs.usgs.gov/publication/70160227 ID - 70160227 ER -