4401 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
4402 | APPRAISE II: Review of Aquatic Dispersion Models |
4403 | Proposed scheme of charges in respect of discharges to controlled waters : an introduction |
4404 | Business requirement specification : integrated accounting system for the (IAS) |
4405 | River Channel Typology: Feasibility for Use in River Management |
4406 | Regional water quality monitoring and surveillance programme for 1992 : biological impact assessment of discharges on receiving waters |
4407 | Wicken fen : nature reserve
|
4408 | Sea Trout Catch Statistics |
4409 | A report on fish production in the National Rivers Authority |
4410 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
4411 | The Kentish Stour |
4412 | Regional plan 1994/95 |
4413 | River Valency and Crackington Streams catchment river water quality classification 1990 |
4414 | Flood defence emergency response - national levels of service - Steering Committee notes (289/2/T) |
4415 | Yield calculations and nitrate predictions for Grafham Water |
4416 | River Axe abstraction : implications for water quality |
4417 | Annual classification of river water quality 1991 |
4418 | Riverbank Protection Using Willows - Scoping Study |
4419 | Aquatic Plant Management Group Project |
4420 | Proposed scheme of charges in respect of applications for consent to discharge to controlled waters |
4421 | Cost-estimation manual for sea defences (217/2/A) : draft final report |
4422 | Moston Brook Summary Report for the Evidence and Measures Project |
4423 | Summary report on environmental developments : volume 1 : legislation and European practice : October 1988 |
4424 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
4425 | Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive |