0 LOC Solr Test LOC Solr Test 1995 Client_Idle 0 Water-supply817 Water627 Water resources development437 Water quality247 Water quality management190 Water conservation171 Drinking water114 Groundwater114 Water rights114 Water use114 Aquifers57 Hydrology57 Purification of57 Water harvesting57 Water supply57 Baker, M. N38 Ambrose, David19 Base, Graeme19 Bauer, Steve19 De Villiers, Marq19 Faeth, Paul19 Farnham, Henry P19 Fisher, D. E19 Frey, Hans19 Fuller, George Warrren19 Gingerich, Stephen B19 Glover, David19 Grant, Pamela19 Hochschwender, Ted19 Jones, Michelle19 2000608 1999570 1998114 200195 199776 199657 183538 189638 189838 183919 184819 185519 186519 188219 188319 book1881 book (electronic)19