76 | Viruses in the aquatic environment |
77 | Guide to the Medway navigation |
78 | The Tyne catchment (river factfiles) |
79 | The Agency's conservation duties (SD2) |
80 | The River Weaver : fact file |
81 | Guardian of the water environment |
82 | The water bill : trickle irrigation |
83 | The industrial fishery for sandeels |
84 | Air quality and the environment |
85 | The Development of LandSim 2.5 |
86 | The River Alt : fact file |
87 | The Wear catchment (river factfiles) |
88 | The Derwent catchment (river factfiles) |
89 | The River Darent conservation project |
90 | The Soar Valley improvement scheme |
91 | The Severn Bore in 1993 |
92 | The River Mersey : fact file |
93 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
94 | The Tees catchment (river factfiles) |
95 | Road transport and the environment |
96 | The Lambourn catchment modelling work |
97 | The Northumberland catchment (river factfiles) |
98 | The Severn Bore in 1994 |
99 | River in the Dourdogne region |
100 | The tidal Thames : fact file |