51 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
52 | The effects of flow reduction in the River Dee on the aquatic environment |
53 | The drought of 1995 : a report to the Secretary of State for the Environment |
54 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
55 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
56 | Angle on the Broads : helping you get the most out of fishing on the Broads |
57 | Back to life : bringing the environment back to the people of the North West |
58 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
59 | The industrial fishery for sandeels |
60 | Meanders in the Amazon River |
61 | River in the Dourdogne region |
62 | Algae demonstrations in the lab |
63 | Rivers of the New Forest |
64 | The Ferry Boat in 1905 |
65 | The Esk catchment (river factfiles) |
66 | The Agency's conservation duties (SD2) |
67 | Phosphorus in the Thames catchment |
68 | The water bill : trickle irrigation |
69 | The Calder catchment (river factfiles) |
70 | Welcome to the Essex catchment |
71 | The Severn Bore in 1994 |
72 | The Tees catchment (river factfiles) |
73 | The Northumberland catchment (river factfiles) |
74 | The Hull catchment (river factfiles) |
75 | The tidal Thames : fact file |