51 | The influx of black magnetic spherules to the lakes of the English Lake District |
52 | The drought of 1995 : a report to the Secretary of State for the Environment |
53 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
54 | Angle on the Broads : helping you get the most out of fishing on the Broads |
55 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
56 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
57 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
58 | Back to life : bringing the environment back to the people of the North West |
59 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
60 | Fish Tanks in the Hatchery |
61 | The Ferry Boat in 1905 |
62 | The industrial fishery for sandeels |
63 | The Soar Valley improvement scheme |
64 | Annex to 'achieving the quality' |
65 | The Aire catchment (river factfiles) |
66 | Welcome to the Essex catchment |
67 | The water bill : trickle irrigation |
68 | Guardian of the water environment |
69 | Algae demonstrations in the lab |
70 | The Tyne catchment (river factfiles) |
71 | The Calder catchment (river factfiles) |
72 | Paleolimnological Approaches to the WFD |
73 | The Agency's conservation duties (SD2) |
74 | Water in the Thetford area
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75 | The River Ash : enhancement project |