| 476 | An assessment of water quality in the River Yarty catchment |
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| 477 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
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| 478 | Happisburgh to Winterton sea defences |
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| 479 | A flood alleviation strategy for Broadland : report of Task Group |
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| 480 | Norfolk and Suffolk Local Flood Defence Committee annual report 1996/97 |
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| 481 | Norfolk and Suffolk Local Flood Defence Committee annual report 1997/98 |
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| 482 | Norfolk and Suffolk Local Flood Defence Committee annual report 1998/99 |
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| 483 | Land drainage and sea defence byelaws |
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| 484 | Pollution prevention Lake Windermere: boat users pollution prevention survey, 1991 |
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| 485 | Lower Nene catchment management plan : summary report |
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| 486 | Lower Thames fact file : from Hurley to Teddington |
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| 487 | Lincolnshire catchment panel field visit, Friday 7 June 1996 |
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| 488 | The Ely Ouse Essex water transfer scheme |
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| 489 | River Rase improvement scheme |
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| 490 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
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| 491 | River Ancholme catchment management plan : summary report : January 1996 |
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| 492 | River Stour catchment management plan : final plan : December 1993 |
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| 493 | Somerset Local Flood Defence Committee handover document March 2005 : a new beginning |
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| 494 | Eradication of Alien Crayfish Populations |
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| 495 | Maidenhead, Windsor and Eton flood alleviation scheme - water quality proof : public enquiry September 1992 |
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| 496 | Flood defence and land drainage : a guide for people living near rivers and streams, including land drainage byelaws |
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| 497 | Maidenhead, Windsor and Eton flood alleviation scheme - National Association of Flood Defence chairmen visit to the project site on 1 May 1991 |
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| 498 | River Severn upper reaches catchment management plan : action plan : June 1995 |
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| 499 | Protecting Pentewan |
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| 500 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
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