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76The investigation of the Taff litter problem : report no. PL/EAE/89/2
77Managing the Humber Estuary : the Environment Agency's approach
78The effect of the voluntary initiative on water quality
79Hydrometry : the science of measuring the water cycle
80An investigation into the bacteriological levels in the River Seaton
81The effects of Guildford STW on the River Wey
82Report on the 1995 stock assessment of the Douglas catchment
83The role of the National Rivers Authority in droughts
84The state of the water environment : six year trends report
85Hysim model : modelling the flows of the River Deben
86A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990
87Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River
88Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994
89Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change
90The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality
91The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989
92A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024
93Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993
94Pollution control on the River Alt
95Fish found in the tidal Thames
96The Ely Ouse Essex water transfer scheme
97A brief guide to the thames
98Determining The Causes Of 'Apparent Eutrophication' Effects
99Drought in the South : in depth
100Rivers of the Isle of Wight