TY - RPRT TI - Nonlinear-regression groundwater flow modeling of a deep regional aquifer system AU - Richard L. Cooley AU - Leonard F. Konikow AU - Richard L. Naff PY - 2010 DO - 10.1029/wr022i013p01759 UR - https://pubs.usgs.gov/publication/70015637 ID - 70015637 ER -