126 | On duty round the clock : fact file |
127 | The National Rivers Authority : fact file |
128 | Factors affecting the dispersal of coarse fish |
129 | The Tame catchment (NRA Severn-Trent 67) |
130 | Fishery survey of the River Yeo catchment |
131 | Fishery survey of the Congresbury Yeo, 1994 |
132 | Fishery survey of the River Isle catchment |
133 | Determining The Freshwater Flow Needs Of Estuaries |
134 | River water quality in the Midlands 1997 |
135 | River water quality in the Midlands 1998 |
136 | Recreational waterway byelaws in the Anglian region |
137 | A brief guide to the medway |
138 | A brief guide to the thames |
139 | Study of the River Stour, Kent |
140 | The source : a guide to NRA services |
141 | The River Thame : catchment review : march 1996 |
142 | Determining The Causes Of 'Apparent Eutrophication' Effects |
143 | Guide to the Medway navigation 1994 |
144 | The Great Ouse (Bedford Ouse) fact file |
145 | Recreational waterways in the anglian region |
146 | Conoeists' guide to the River Wye |
147 | The Ely Ouse Essex water transfer scheme |
148 | The Nidd and Wharfe catchment (river factfiles) |
149 | Study of the behaviour and impact of two sewage treatment works of the Thames catchment |
150 | Catches of Migratory Fish in the River Don, Aberdeenshire- Consideration of the Availability of Fish |