51 | The Calder catchment (river factfiles) |
52 | Guide to the Medway navigation |
53 | Water in the Thetford area
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54 | The River Ash : enhancement project |
55 | The River Darent conservation project |
56 | The River Weaver : fact file |
57 | Meanders in the Amazon River |
58 | The Esk catchment (river factfiles) |
59 | The Dee regulation scheme (bilingual) |
60 | The Derwent catchment (river factfiles) |
61 | The Hull catchment (river factfiles) |
62 | The Northumberland catchment (river factfiles) |
63 | The River Alt : fact file |
64 | The River Arun : fact file |
65 | The River Mersey : fact file |
66 | The Tees catchment (river factfiles) |
67 | The Wear catchment (river factfiles) |
68 | The tidal Thames : fact file |
69 | Conservation in the Anglian region |
70 | River in the Dourdogne region |
71 | Rivers of the New Forest |
72 | The River Thames phosphate model |
73 | The Severn Bore in 1993 |
74 | The Severn Bore in 1994 |
75 | The Severn Bore in 1995 |