Water rights Water-supply 11 Water 8 Water resources development 8 Law and legislation 3 Economics 2 Interstate controversies 2 Water resources development--Economic aspects 2 Water--Pollution 2 Agricultural development 1 Air Act 1 Air Emission Inventory 1 Air emission analysis 1 Asbestos management 1 Canals 1 Decentralization 1 Drinking water act 1 Droits sur les eaux 1 Eau 1 Economic aspects 1 Environmental Law 1 Erosion: Soil and Water Conservation 1 Fees 1 Groundwater 1 Irrigation water 1 Law 1 Models 1 Natural Resource Economics, (New March 2000) 1 Negotiation 1 Ozone Depleting chemicals 1