51 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
52 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
53 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
54 | Fish Tanks in the Hatchery |
55 | The Ferry Boat in 1905 |
56 | The industrial fishery for sandeels |
57 | Annex to 'achieving the quality' |
58 | The Aire catchment (river factfiles) |
59 | Welcome to the Essex catchment |
60 | The water bill : trickle irrigation |
61 | Guardian of the water environment |
62 | Algae demonstrations in the lab |
63 | The Tyne catchment (river factfiles) |
64 | The Calder catchment (river factfiles) |
65 | Paleolimnological Approaches to the WFD |
66 | Guide to the Medway navigation |
67 | Uses of the water environment |
68 | The Agency's conservation duties (SD2) |
69 | Water in the Thetford area
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70 | The River Darent conservation project |
71 | Viruses in the aquatic environment |
72 | The River Weaver : fact file |
73 | Meanders in the Amazon River |
74 | The Esk catchment (river factfiles) |
75 | The registration of waste carriers |