51 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
52 | The effects of flow reduction in the River Dee on the aquatic environment |
53 | The influx of black magnetic spherules to the lakes of the English Lake District |
54 | The drought of 1995 : a report to the Secretary of State for the Environment |
55 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
56 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
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 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
61 | Fish Tanks in the Hatchery |
62 | The Ferry Boat in 1905 |
63 | The industrial fishery for sandeels |
64 | The Soar Valley improvement scheme |
65 | Annex to 'achieving the quality' |
66 | The Aire catchment (river factfiles) |
67 | Protecting the Kenwith Valley, Bideford |
68 | Welcome to the Essex catchment |
69 | The water bill : trickle irrigation |
70 | Algae demonstrations in the lab |
71 | The Tyne catchment (river factfiles) |
72 | The Calder catchment (river factfiles) |
73 | Guide to the Medway navigation |
74 | Water in the Thetford area
|
75 | The River Ash : enhancement project |