| 4251 | Summary of Fisheries Statistics 1993 |
|---|
| 4252 | Identified uses of tidal waters : volume 1 |
|---|
| 4253 | River Tavy catchment river water quality classification 1991 |
|---|
| 4254 | River Medway catchment management plan : final report |
|---|
| 4255 | Investigate the feasibility of applying quality methods and standards within the water resources function. |
|---|
| 4256 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
|---|
| 4257 | Satellite based lone worker alarm systems : update |
|---|
| 4258 | Take to the water : a beginner's guide to boating on inland waterways |
|---|
| 4259 | Measures for protecting upland water quality (forestry) : progress report for 1991/92 |
|---|
| 4260 | Guidelines on statutory returns : Bathing Waters Directive |
|---|
| 4261 | Thames Region : EC dangerous substances directive : STW data 1991-1992 |
|---|
| 4262 | The role of the National Rivers Authority in droughts |
|---|
| 4263 | Material safety data sheet |
|---|
| 4264 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
|---|
| 4265 | River quality : 1993 |
|---|
| 4266 | Fishery survey of the River Axe catchment |
|---|
| 4267 | Effects on gammarus of sediments impacted by watercress farms |
|---|
| 4268 | Synoptic State of the Environment Monitoring |
|---|
| 4269 | Northern sea wall (Reculver) improvement works : environmental statement : non-technical summary |
|---|
| 4270 | Monitoring of rivers and effluents |
|---|
| 4271 | The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995 |
|---|
| 4272 | River Strat catchment river water quality classification 1991 |
|---|
| 4273 | Report on the quality of bathing waters 1990 |
|---|
| 4274 | Spring Carp Mortality Syndrome (SCMS) Transmission Study |
|---|
| 4275 | River catchment management plans : data report |
|---|
