51 | The Northumberland catchment (river factfiles) |
52 | The Tees catchment (river factfiles) |
53 | The Severn Bore in 1993 |
54 | The tidal Thames : fact file |
55 | The Dee regulation scheme (bilingual) |
56 | The Severn Bore in 1994 |
57 | The River Mersey : fact file |
58 | The Aire catchment (river factfiles) |
59 | Phosphorus in the Thames catchment |
60 | The Soar Valley improvement scheme |
61 | The Hull catchment (river factfiles) |
62 | The Derwent catchment (river factfiles) |
63 | The Esk catchment (river factfiles) |
64 | Conservation in the Anglian region |
65 | The River Ash : enhancement project |
66 | The River Darent conservation project |
67 | Guide to the Medway navigation |
68 | The Tyne catchment (river factfiles) |
69 | Welcome to the Essex catchment |
70 | Protecting the Kenwith Valley, Bideford |
71 | The River Weaver : fact file |
72 | Guardian of the water environment |
73 | The River Thames phosphate model |
74 | Meanders in the Amazon River |
75 | The River Alt : fact file |