| 51 | River Darent : strategy for the enhancement of the River Darent, Kent |
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| 52 | The effects of Guildford STW on the River Wey |
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| 53 | The state of the water environment : six year trends report |
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| 54 | The role of the National Rivers Authority in droughts |
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| 55 | Report on the 1995 stock assessment of the Douglas catchment |
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| 56 | River pack : information sheets about the NRA and the water environment |
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| 57 | An investigation into the effect of Farnham STW on the River Wey |
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| 58 | The effect of the voluntary initiative on water quality |
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| 59 | Hydrometry : the science of measuring the water cycle |
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| 60 | An investigation into the effects of Woking STW on the River Wey |
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| 61 | The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989 |
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| 62 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
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| 63 | Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993 |
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| 64 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
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| 65 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
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| 66 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
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| 67 | Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994 |
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| 68 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
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| 69 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
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| 70 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
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| 71 | Rivers of the Isle of Wight |
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| 72 | Naturalisation of the Orton flow record |
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| 73 | Flood defences : the Lower Witham strategy |
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| 74 | The Environment Agency navigations : Thames, Anglian, Southern |
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| 75 | Pollution control on the River Alt |
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