51 | The effects of flow reduction in the River Dee on the aquatic environment |
52 | The influx of black magnetic spherules to the lakes of the English Lake District |
53 | The drought of 1995 : a report to the Secretary of State for the Environment |
54 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
55 | Angle on the Broads : helping you get the most out of fishing on the Broads |
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 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
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 | Protecting the Kenwith Valley, Bideford |
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 | Paleolimnological Approaches to the WFD |
71 | Guide to the Medway navigation |
72 | Uses of the water environment |
73 | The Agency's conservation duties (SD2) |
74 | Water in the Thetford area
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75 | The River Ash : enhancement project |