76 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
77 | The Tyne catchment (river factfiles) |
78 | The Calder catchment (river factfiles) |
79 | Annex to 'achieving the quality' |
80 | Road transport and the environment |
81 | The oceanography of Falmouth harbour |
82 | The Ferry Boat in 1905 |
83 | The Esk catchment (river factfiles) |
84 | Help safeguard the Torridge (leaflet) |
85 | River in the Dourdogne region |
86 | Welcome to the Essex catchment |
87 | Fish Tanks in the Hatchery |
88 | Meanders in the Amazon River |
89 | The River Thames phosphate model |
90 | The industrial fishery for sandeels |
91 | Viruses in the aquatic environment |
92 | The Derwent catchment (river factfiles) |
93 | Air quality and the environment |
94 | Algae demonstrations in the lab |
95 | The River Darent conservation project |
96 | The Northumberland catchment (river factfiles) |
97 | Water in the Thetford area
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98 | Conservation in the Anglian region |
99 | The River Alt : fact file |
100 | The registration of waste carriers |