| 4501 | Severn Trent region : River Sence, Hilton Brook : Annex of R and D Note 456 |
|---|
| 4502 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
|---|
| 4503 | Water quality 2000 : a strategy for the water quality function |
|---|
| 4504 | R and D project management manual : user manual |
|---|
| 4505 | The Cam catchment, Anglian region : proposals for statutory water quality objectives |
|---|
| 4506 | Pollution and how to spot it (NRA Severn-Trent 61) |
|---|
| 4507 | De-icing Chemicals: Priorities for Environmental Quality Standards Development |
|---|
| 4508 | Refuse fill for the construction of seawalls |
|---|
| 4509 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
|---|
| 4510 | Quantification of trace components in landfill gas |
|---|
| 4511 | Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary |
|---|
| 4512 | An assessment of River Fowey salmonid populations |
|---|
| 4513 | Fisheries statistics 1991 : salmonid and freshwater fisheries statistics for England and Wales |
|---|
| 4514 | River Taw catchment management plan : consultation report |
|---|
| 4515 | Computer files used in the calculation of Rutland and Grafham yields |
|---|
| 4516 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
|---|
| 4517 | Water quality report 1990 |
|---|
| 4518 | River Wissey investigations : linking hydrology and ecology : executive summary |
|---|
| 4519 | NATO advanced study institute on defence from floods and floodplain management, Budapest, Hungary, April 1994 |
|---|
| 4520 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
|---|
| 4521 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
|---|
| 4522 | The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates |
|---|
| 4523 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
|---|
| 4524 | The Restoration of Floodplain Woodlands in Lowland Britain |
|---|
| 4525 | Manual For Biological Methods - Phase 1 |
|---|
