5826 | River Irwell catchment management plan : action plan : September 1995 |
5827 | River Ribble catchment management plan : first annual review |
5828 | Ribble action plan 2000-2005 |
5829 | River Ribble juvenile fish stock assessment 2003, with particular reference to salmonids |
5830 | The Ribble Estuary 1992 surveys : summary of results |
5831 | UK national monitoring plan : regional report for England and Wales : estuarine and intermediate sites (1991 to 1995) |
5832 | Liggard Brook and Main Drain improvement scheme |
5833 | Savick Brook electrofishing survey 2001 |
5834 | Wyre LEAP first annual review |
5835 | An assessment of mercury contamination in the Red River catchment : final draft report |
5836 | Red River (R23A003) EC Dangerous Substance Directive failure 1993 : final draft report |
5837 | Mouth of a river lamprey, |
5838 | Red River : catchment action plan |
5839 | Severn Trent Region Plan Summary 1991/1992 |
5840 | Red River, Portreath, Bolingey and Perranporth catchment river water quality classification 1990 |
5841 | Red River catchment river water quality classification 1991 |
5842 | East Sussex Rother catchment management plan : action plan |
5843 | Wastewater disinfection field trials (231/4/SW) |
5844 | 1997 general quality assessment (GQA) and river ecosystem (RE) non-compliance : Devon area |
5845 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
5846 | An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water |
5847 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
5848 | Water quality monitoring locations 1992 |
5849 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
5850 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |