76 | Guide to the Medway navigation |
77 | Uses of the water environment |
78 | Water in the Thetford area
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79 | The River Ash : enhancement project |
80 | The Development of LandSim 2.5 |
81 | The River Darent conservation project |
82 | Viruses in the aquatic environment |
83 | The River Weaver : fact file |
84 | Meanders in the Amazon River |
85 | Air quality and the environment |
86 | The registration of waste carriers |
87 | The Dee regulation scheme (bilingual) |
88 | The River Alt : fact file |
89 | The River Mersey : fact file |
90 | The tidal Thames : fact file |
91 | Dissemination of the anglian SDMS |
92 | Protecting the Lincolnshire Wash coast |
93 | Help safeguard the Torridge (leaflet) |
94 | Conservation in the Anglian region |
95 | River in the Dourdogne region |
96 | Rivers of the New Forest |
97 | The Lambourn catchment modelling work |
98 | The River Thames phosphate model |
99 | The Severn Bore in 1993 |
100 | The Severn Bore in 1994 |