26 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
27 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
28 | Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment |
29 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |
30 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
31 | The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu |
32 | The River Taf catchment management plan : action plan 1995 (bilingual) : Cynllun rheoli dalgylch Afon Taf : cynllun gweithredu 1995 |