TY - RPRT TI - A method for evaluating the importance of system state observations to model predictions, with application to the Death Valley regional groundwater flow system AU - Claire R. Tiedeman AU - D. Matthew Ely AU - Mary C. Hill AU - Grady M. O’Brien PY - 2004 DO - 10.1029/2004wr003313 UR - https://pubs.usgs.gov/publication/70026317 ID - 70026317 ER -