Institution: | Waterloo Centre for Groundwater Research, Department of Earth Science, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1.;Terraqua Investigations Ltd., 12 Dupont Street, West.Waterloo, Ontario, Canada, N2L 2X6.;CSIRO Australia, Division of Water Resources, PB 2, Glen Osmond, Australia, S A 5064.;U.S. Geological Survey, Water Resources Division, 432 National Center, Reston, Virginia, U.S.A., 22092. |