76 | The Wear catchment (river factfiles) |
77 | The Soar Valley improvement scheme |
78 | River in the Dourdogne region |
79 | Meanders in the Amazon River |
80 | The River Thames phosphate model |
81 | Viruses in the aquatic environment |
82 | Annex to 'achieving the quality' |
83 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
84 | The Dee regulation scheme (bilingual) |
85 | The River Alt : fact file |
86 | The Northumberland catchment (river factfiles) |
87 | The Severn Bore in 1994 |
88 | The Aire catchment (river factfiles) |
89 | Protecting the Kenwith Valley, Bideford |
90 | The water bill : trickle irrigation |
91 | The Derwent catchment (river factfiles) |
92 | The Tees catchment (river factfiles) |
93 | The River Arun : fact file |
94 | Guardian of the water environment |
95 | The Esk catchment (river factfiles) |
96 | Dissemination of the anglian SDMS |
97 | The River Mersey : fact file |
98 | Algae demonstrations in the lab |
99 | Air quality and the environment |
100 | The Tyne catchment (river factfiles) |