TY - RPRT TI - Groundwater model of the Blue River basin, Nebraska-Twenty years later AU - W.M. Alley AU - P. A. Emery PY - 1986 DO - 10.1016/0022-1694(86)90058-2 UR - https://pubs.usgs.gov/publication/70015667 ID - 70015667 ER -