| 4276 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
|---|
| 4277 | Valuing Water Use in Scotland and Northern Ireland for WFD Implementation Purposes |
|---|
| 4278 | Contracts Department (National Rivers Authority) |
|---|
| 4279 | Determination of Metal Background Reference Concentrations: Feasibility Study |
|---|
| 4280 | The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition |
|---|
| 4281 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
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| 4282 | Taw/Torridge Estuary catchment management plan : consultation report : August 1993 |
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| 4283 | Waterways Breeding Bird Survey Pilot Study 1998: Adaptation of BBS Census Methods to Rivers and Canals |
|---|
| 4284 | The Lowermoor environment report |
|---|
| 4285 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
|---|
| 4286 | River Irwell catchment management plan : water quality supplement |
|---|
| 4287 | Switch mechanisms between alternative stable states in freshwater communities (01/574/1/A) |
|---|
| 4288 | River habitats in England and Wales : a national overview : river habitat survey report no 1 |
|---|
| 4289 | Effects of Canoeing on Fish Stocks and Angling |
|---|
| 4290 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
|---|
| 4291 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
|---|
| 4292 | A Review of Grayling Ecology, Status and Management Practice Recommendations for Future Managemetn in England and Wales |
|---|
| 4293 | Guidelines on statutory returns : Freshwater Fish Directive |
|---|
| 4294 | Teddington flow survey 1989 |
|---|
| 4295 | Assessing the impact of dewatering on water resources |
|---|
| 4296 | The use and design of oil separators in surface water drainage systems |
|---|
| 4297 | The utilisation of stick-pile otter holts in south east Wales |
|---|
| 4298 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
|---|
| 4299 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
|---|
| 4300 | River Usk barrage position statement, 4th August 1993 |
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