TY - RPRT TI - Conceptual understanding and groundwater quality of selected basin-fill aquifers in the Southwestern United States AU - Susan A. Thiros AU - Laura M. Bexfield AU - David W. Anning AU - Jena M. Huntington PY - 2010 DO - 10.3133/pp1781 UR - https://pubs.usgs.gov/publication/pp1781 ID - pp1781 ER -