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51The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee
52The effects of flow reduction in the River Dee on the aquatic environment
53The influx of black magnetic spherules to the lakes of the English Lake District
54The drought of 1995 : a report to the Secretary of State for the Environment
55A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection"
56Domesday to the dawn of the new millennium : 900 years of the Don Fishery
57The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region
58Back to life : bringing the environment back to the people of the North West
59Study into the effect of Chertsey STW on the North Arm of the River Bourne
60The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs
61Fish Tanks in the Hatchery
62The Ferry Boat in 1905
63The industrial fishery for sandeels
64The Soar Valley improvement scheme
65Annex to 'achieving the quality'
66The Aire catchment (river factfiles)
67Protecting the Kenwith Valley, Bideford
68Welcome to the Essex catchment
69The water bill : trickle irrigation
70Algae demonstrations in the lab
71The Tyne catchment (river factfiles)
72The Calder catchment (river factfiles)
73Guide to the Medway navigation
74Water in the Thetford area
75The River Ash : enhancement project