6276 | National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts |
6277 | South Cornwall coastal streams : catchment action plan |
6278 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
6279 | The Trophic Diatom Index: A User's Manual; |
6280 | Transport velocities in Lincoln division : streams I report |
6281 | Transport velocities in Lincoln division streams : II diagrams |
6282 | West and Mid Cornwall review |
6283 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
6284 | Great Brook fisheries survey |
6285 | Schedule of main rivers (Midlands) booklet |
6286 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
6287 | A guide to monitoring water levels and flows at wetland sites |
6288 | Candidate substances requiring Environmental Quality Standards (EQS) |
6289 | Combined sewer overflow remedial strategy : South West Area report |
6290 | Compliance Assessment for EC surface water abstraction directive 1991 |
6291 | Distribution of PCDDS an PCDFS in surface freshwater systems draft final report R and D Project 330 |
6292 | Ecological quality of water European technical workshop : 10 and 11 May 1995, Brussels. Report of discussions, findings and recommendations |
6293 | Economic Evaluation of Inland Fisheries Module A: Economic Evaluation of Fishing Rights |
6294 | Economic Evaluation of Inland Fisheries Module B: Indirect Economic Values Associated with Fisheries |
6295 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
6296 | Effectiveness Of Cost Recovery Charging |
6297 | Environmental quality standards to protect identified uses of controlled waters - fisheries uses |
6298 | Pesticides in major aquifers (Report 17) |
6299 | The Colne Barrier 1999 |
6300 | Protection of the Water Environment using Balancing Facilities |