51 | The effects of flow reduction in the River Dee on the aquatic environment |
52 | The drought of 1995 : a report to the Secretary of State for the Environment |
53 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
54 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
55 | Meanders in the Amazon River |
56 | River in the Dourdogne region |
57 | Algae demonstrations in the lab |
58 | Fish Tanks in the Hatchery |
59 | The Ferry Boat in 1905 |
60 | The Agency's conservation duties (SD2) |
61 | The industrial fishery for sandeels |
62 | Guardian of the water environment |
63 | Conservation in the Anglian region |
64 | Water in the Thetford area
|
65 | Rivers of the New Forest |
66 | Phosphorus in the Thames catchment |
67 | The Northumberland catchment (river factfiles) |
68 | The Hull catchment (river factfiles) |
69 | The Dee regulation scheme (bilingual) |
70 | The Tyne catchment (river factfiles) |
71 | The Tees catchment (river factfiles) |
72 | The Aire catchment (river factfiles) |
73 | The River Arun : fact file |
74 | The Esk catchment (river factfiles) |
75 | The River Darent conservation project |