4976 | Lands End streams river water quality classification 1990 |
4977 | Lizard Peninsular streams and Helford River catchment river water quality classification 1990 |
4978 | Malodours and discolouration on the Wool Brook Sidmouth |
4979 | Millendreath Stream EC Bathing Waters bacterial contamination investigation 1995 |
4980 | National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts |
4981 | South Cornwall coastal streams : catchment action plan |
4982 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
4983 | The Trophic Diatom Index: A User's Manual; |
4984 | Transport velocities in Lincoln division : streams I report |
4985 | Transport velocities in Lincoln division streams : II diagrams |
4986 | West and Mid Cornwall review |
4987 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
4988 | Great Brook fisheries survey |
4989 | Schedule of main rivers (Midlands) booklet |
4990 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
4991 | A guide to monitoring water levels and flows at wetland sites |
4992 | Compliance Assessment for EC surface water abstraction directive 1991 |
4993 | Distribution of PCDDS an PCDFS in surface freshwater systems draft final report R and D Project 330 |
4994 | Ecological quality of water European technical workshop : 10 and 11 May 1995, Brussels. Report of discussions, findings and recommendations |
4995 | Economic Evaluation of Inland Fisheries Module A: Economic Evaluation of Fishing Rights |
4996 | Economic Evaluation of Inland Fisheries Module B: Indirect Economic Values Associated with Fisheries |
4997 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
4998 | Effectiveness Of Cost Recovery Charging |
4999 | Pesticides in major aquifers (Report 17) |
5000 | Protection of the Water Environment using Balancing Facilities |