76 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |
77 | East Devon public water supply strategy : the existence and potential use in yield analysis of historic flow records |
78 | Water wise : are you pouring money down the drain? (Bilingual) : Doeth a dwr : ydych chi'n tywallt arian i lawr y draen? |
79 | Sea trout gene banks : the feasibility of developing and utilising gene banks for sea trout (salmo trutta) conservation |
80 | Progress in water supply planning : the Environment Agency's review of water company water resources plans : a submission to Government |
81 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987 |
82 | The Wandle, Beverley Brook, Hogsmill catchment management plan : report on formal consultation response to : response to Wandle/Beverley/Hogsmill CMP catchment management report November 1994 |
83 | Water UK and Environment Agency water efficiency awards 2001 : recognising excellence in water conservation and efficiency in industry, business and the public sector |