76 | Report on the 1995 stock assessment of the Douglas catchment |
77 | River pack : information sheets about the NRA and the water environment |
78 | The effect of the voluntary initiative on water quality |
79 | Hydrometry : the science of measuring the water cycle |
80 | The role of the National Rivers Authority in droughts |
81 | An investigation into the bacteriological levels in the River Seaton |
82 | An investigation into the effects of Woking STW on the River Wey |
83 | The investigation of the Taff litter problem : report no. PL/EAE/89/2 |
84 | River Darent : strategy for the enhancement of the River Darent, Kent |
85 | The state of the water environment : six year trends report |
86 | Hysim model : modelling the flows of the River Deben |
87 | An investigation into the effect of Farnham STW on the River Wey |
88 | The restoration of the River Ver : the success story of a collaborative project between the National Rivers Authority, Three Valleys Water and the Ver Valley Society |
89 | The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989 |
90 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
91 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
92 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
93 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
94 | Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994 |
95 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
96 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
97 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
98 | The National Rivers Authority : fact file |
99 | Stock assessment review on the River Teign |
100 | The Great Ouse (Bedford Ouse) fact file |