76 | Stream survey and assessment in the Ashford and Folkestone areas |
77 | Pesticides in the aquatic environment 1997 : executive summary |
78 | Water quality 2000 : a strategy for the water quality function |
79 | The River Cam catchment management plan : annual monitoring report |
80 | The greening of Grasmere: its plankton periodicity in 1988 |
81 | Snapshots of the environment : understanding coastal water quality |
82 | Method for assessing the heritage value of net fisheries |
83 | A strategy for the management of salmon in England and Wales |
84 | Statement on public consultation for the Dove CMP : July 1995 |
85 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
86 | Coniston OS map related to the Seismic Survey 1983 |
87 | Quality audit of biological samples for the 1990 river quality survey |
88 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
89 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
90 | The Dove catchment management plan : consultation report summary : January 1995 |
91 | Biological water quality monitoring in the Midlands region |
92 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
93 | The River Dee catchment management plan : consultation report : June 1994 |
94 | A guide to sustainable urban drainage : protecting the quality of our environment |
95 | Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands |
96 | The 1990 river and estuary classification survey of England and Wales |
97 | Landfill and the water environment : NRA position statement |
98 | Snapshots of the environment : managing our freshwater fisheries |
99 | The NRA in business : annual review and summary accounts 1993-94 |
100 | Snapshots of the environment : a new environmental approach |