1 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
2 | First annual review of the River Tone catchment management plan |
3 | Discharge monitoring in the Kennet catchment. Part 1 : ecological effects of sewage and trade effluents |
4 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
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5 | Local environment focus : local environmental issues in and around Nottingham, Derby, Newark-on-Trent, Gainsborough, Scunthorpe and Ilkeston. : Local Environment Agency Plan (LEAP) for the Lower Trent and erewash : 2nd annual review July 2002 |
6 | Local environment focus : local environmental issues in and around Mansfield, Worksop, East Retford, Maltby, Bawtry, Epworth and Thome : Local Environment Action Plan (LEAP) for the Idle and Torne : 1st annual review : November 2001 |