TY - RPRT TI - MODFLOW 2000 Head Uncertainty, a First-Order Second Moment Method AU - H.S. Glasgow AU - M.D. Fortney AU - J. Lee AU - A.J. Graettinger AU - H. W. Reeves PY - 2005 DO - 10.1111/j.1745-6584.2003.tb02603.x UR - https://pubs.usgs.gov/publication/70025725 ID - 70025725 ER -