101 | Canoeist guide to the River Severn |
102 | Humber estuary : state of the environment 1998 |
103 | Constructive thinking : save water, save the environment |
104 | Synoptic State of the Environment Monitoring |
105 | Hydropower developments and the National Rivers Authority |
106 | Safeguarding the lower bristol avon - public consultation |
107 | The Ely Ouse Essex water transfer scheme |
108 | Factors affecting the dispersal of coarse fish |
109 | Diffuse pollution and the water framework directive |
110 | Phosphate in the cut-off channel |
111 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
112 | River water quality in the Midlands 1997 |
113 | Achieving the quality : annex : programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales for individual water companies |
114 | Report on a visit to the Faroes |
115 | Information [on the NRA Anglian Region] |
116 | Environmental issues in the Midlands 1995/96 |
117 | The water environment - our cultural heritage |
118 | The Trophic Diatom Index: A User's Manual; |
119 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
120 | Ecology and the Water Framework Directive |
121 | Silt - and its effects on the river |
122 | Changes to the water abstraction licensing system |
123 | Guide to the Medway navigation 1994 |
124 | River water quality in the Midlands 1998 |
125 | Sustainable water resources for the future |