6176 | Millendreath Stream EC Bathing Waters bacterial contamination investigation 1995 |
6177 | National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts |
6178 | South Cornwall coastal streams : catchment action plan |
6179 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
6180 | The Trophic Diatom Index: A User's Manual; |
6181 | Transport velocities in Lincoln division : streams I report |
6182 | Transport velocities in Lincoln division streams : II diagrams |
6183 | West and Mid Cornwall review |
6184 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
6185 | Great Brook fisheries survey |
6186 | Schedule of main rivers (Midlands) booklet |
6187 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
6188 | A guide to monitoring water levels and flows at wetland sites |
6189 | Candidate substances requiring Environmental Quality Standards (EQS) |
6190 | Combined sewer overflow remedial strategy : South West Area report |
6191 | Compliance Assessment for EC surface water abstraction directive 1991 |
6192 | Distribution of PCDDS an PCDFS in surface freshwater systems draft final report R and D Project 330 |
6193 | Ecological quality of water European technical workshop : 10 and 11 May 1995, Brussels. Report of discussions, findings and recommendations |
6194 | Economic Evaluation of Inland Fisheries Module A: Economic Evaluation of Fishing Rights |
6195 | Economic Evaluation of Inland Fisheries Module B: Indirect Economic Values Associated with Fisheries |
6196 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
6197 | Effectiveness Of Cost Recovery Charging |
6198 | Environmental quality standards to protect identified uses of controlled waters - fisheries uses |
6199 | Pesticides in major aquifers (Report 17) |
6200 | The Colne Barrier 1999 |