226 | CATCH Autumn 2003 |
227 | River Strat catchment river water quality classification 1990 |
228 | Regional water quality monitoring and surveillance programme for 1993 : biological assessment of rivers : draft report |
229 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
230 | River Tavy catchment river water quality classification 1991 |
231 | Training guidance notes : control of pollution farm waste regulations |
232 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
233 | Regional water quality monitoring and surveillance programme for 1992 : biological impact assessment of discharges on receiving waters |
234 | Fishery survey of the River Axe catchment |
235 | Impact assessment of Meldon quarry on water quality in the West Okement river |
236 | River Strat catchment river water quality classification 1991 |
237 | The rehabilitation of the River Taff |
238 | River Ray, Wiltshire : fisheries survey 1989 |
239 | River Culm fisheries survey 1994 |
240 | Time of travel of pollutants study : River Taw : Q22/Q25 |
241 | The River Thame : catchment review : first draft - 16th Februrary 1996 |
242 | Devon area internal report - portilly outfall - Camel Estuary bathymetric survey |
243 | National Rivers Authority, South West Region : regional review 1989/90 |
244 | River Sid catchment : river water quality classification 1991 |
245 | River Thames (Benson to Hurley) Pang and Wye catchment review |
246 | River Plym catchment river water quality classification 1990 |
247 | Regional water quality monitoring and surveillance programme for 1992 : consent compliance assessment of effluent discharges |
248 | River Avon fisheries survey 1994 |
249 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
250 | River Tamar catchment river water quality classification 1991 |