576 | River Strat catchment river water quality classification 1990 |
577 | Cataclews impact assessment summer 1995 : draft data report - Tidal Waters Group |
578 | River Glen : river channel assessment : annex E : instream habitat assessment of the River Glen, Lincolnshire |
579 | Gipping/Stour catchment management plan : first annual review |
580 | Lower Nene : options for resources : environmental asset survey : baseline report : final |
581 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
582 | Rivers Axe and Lim catchment management plan : consultation report |
583 | Welland and Witham estuaries : ecological study : final report (part 1 and part 2) |
584 | The Cam catchment, Anglian region : proposals for statutory water quality objectives |
585 | 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 |
586 | An assessment of River Fowey salmonid populations |
587 | River Taw catchment management plan : consultation report |
588 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
589 | River Wissey investigations : linking hydrology and ecology : executive summary |
590 | Hartland Streams catchment management plan : consultation report |
591 | River Tavy catchment river water quality classification 1991 |
592 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
593 | St Columb Major STW UV disinfection survey 1994 : final draft report |
594 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
595 | Fishery survey of the River Axe catchment |
596 | Impact assessment of Meldon quarry on water quality in the West Okement river |
597 | River Strat catchment river water quality classification 1991 |
598 | Isle of Wight catchment management plan : consultation report |
599 | Bideford flood plan : public information leaflet |
600 | River Ray, Wiltshire : fisheries survey 1989 |