76 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |
77 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
78 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
79 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
80 | Back to life : bringing the environment back to the people of the North West |
81 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
82 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
83 | Meanders in the Amazon River |
84 | River in the Dourdogne region |
85 | The Esk catchment (river factfiles) |
86 | The Tees catchment (river factfiles) |
87 | The Hull catchment (river factfiles) |
88 | The River Darent conservation project |
89 | The Soar Valley improvement scheme |
90 | The oceanography of Falmouth harbour |
91 | The Tyne catchment (river factfiles) |
92 | The registration of waste carriers |
93 | The River Weaver : fact file |
94 | Viruses in the aquatic environment |
95 | The Calder catchment (river factfiles) |
96 | Annex to 'achieving the quality' |
97 | Dissemination of the anglian SDMS |
98 | Conservation in the Anglian region |
99 | Water in the Thetford area
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100 | Guardian of the water environment |