51 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
52 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
53 | The drought of 1995 : a report to the Secretary of State for the Environment |
54 | The influx of black magnetic spherules to the lakes of the English Lake District |
55 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
56 | Annex to 'achieving the quality' |
57 | The Calder catchment (river factfiles) |
58 | The River Arun : fact file |
59 | Algae demonstrations in the lab |
60 | The Aire catchment (river factfiles) |
61 | Phosphorus in the Thames catchment |
62 | The Hull catchment (river factfiles) |
63 | The Esk catchment (river factfiles) |
64 | The oceanography of Falmouth harbour |
65 | The River Ash : enhancement project |
66 | Viruses in the aquatic environment |
67 | Guide to the Medway navigation |
68 | The Tyne catchment (river factfiles) |
69 | Welcome to the Essex catchment |
70 | Protecting the Kenwith Valley, Bideford |
71 | The River Weaver : fact file |
72 | The water bill : trickle irrigation |
73 | Help safeguard the Torridge (leaflet) |
74 | Air quality and the environment |
75 | The Development of LandSim 2.5 |