51 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
52 | The effects of flow reduction in the River Dee on the aquatic environment |
53 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
54 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
55 | The drought of 1995 : a report to the Secretary of State for the Environment |
56 | The influx of black magnetic spherules to the lakes of the English Lake District |
57 | Annex to 'achieving the quality' |
58 | Paleolimnological Approaches to the WFD |
59 | Fish Tanks in the Hatchery |
60 | The Calder catchment (river factfiles) |
61 | The River Arun : fact file |
62 | Algae demonstrations in the lab |
63 | The Ferry Boat in 1905 |
64 | The Aire catchment (river factfiles) |
65 | Phosphorus in the Thames catchment |
66 | The Hull catchment (river factfiles) |
67 | The Esk catchment (river factfiles) |
68 | The oceanography of Falmouth harbour |
69 | Viruses in the aquatic environment |
70 | The Tyne catchment (river factfiles) |
71 | Welcome to the Essex catchment |
72 | The Agency's conservation duties (SD2) |
73 | The River Weaver : fact file |
74 | Guardian of the water environment |
75 | The water bill : trickle irrigation |