| 4851 | The Ribble Estuary 1992 surveys : summary of results |
|---|
| 4852 | UK national monitoring plan : regional report for England and Wales : estuarine and intermediate sites (1991 to 1995) |
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| 4853 | Savick Brook electrofishing survey 2001 |
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| 4854 | Wyre LEAP first annual review |
|---|
| 4855 | An assessment of mercury contamination in the Red River catchment : final draft report |
|---|
| 4856 | Red River (R23A003) EC Dangerous Substance Directive failure 1993 : final draft report |
|---|
| 4857 | Mouth of a river lamprey, |
|---|
| 4858 | Red River : catchment action plan |
|---|
| 4859 | Red River, Portreath, Bolingey and Perranporth catchment river water quality classification 1990 |
|---|
| 4860 | Red River catchment river water quality classification 1991 |
|---|
| 4861 | Wastewater disinfection field trials (231/4/SW) |
|---|
| 4862 | 1997 general quality assessment (GQA) and river ecosystem (RE) non-compliance : Devon area |
|---|
| 4863 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
|---|
| 4864 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
|---|
| 4865 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
|---|
| 4866 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
|---|
| 4867 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
|---|
| 4868 | An investigation to determine if South Molton STW is the cause of elevated copper and zinc concentrations downstream in the River Mole [DEV/E/18/95] |
|---|
| 4869 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
|---|
| 4870 | Bideford fine screen outfall post scheme appraisal |
|---|
| 4871 | Water quality report 1992 |
|---|
| 4872 | Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne |
|---|
| 4873 | General Quality Assessment (GQA) Devon Area 1994 |
|---|
| 4874 | Hartland and Clovelly streams : catchment action plan |
|---|
| 4875 | Hartland streams river water quality classification 1990 |
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