Comparison of irrigation pumpage with change in ground-water storage in the High Plains aquifer in Chase, Dundy, and Perkins counties, Nebraska, 1975-83 - Heimes, F.J.; Ferrigno, C.F.; Gutentag, E. D.; Lucky, R.R.; Stephens, D.M.; Weeks, J.B. (Water-Resources Investigations Report, 1987)