7026 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
7027 | A survey of ferruginous minewater impacts in the Welsh coalfields |
7028 | A simple key to canal water quality using a biological technique |
7029 | Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3 |
7030 | NRA Welsh Region South West Area Minewaters Workshop, 23 May 1995, Swansea : summary report |
7031 | The impact of ferruginous minewater break-outs on the environmental quality of the Rivers Rhymney, Ebbw and Sirhowy : summary report |
7032 | A survey of ferruginous minewater impacts in the Welsh coalfields |
7033 | Dioxins and the River Doe Lea : plain English report |
7034 | A review of the industrial uses of continuous monitoring systems : incineration processes : a report produced for NCCA and ETSU by Entec |
7035 | 1994 general quality assessment (GQA) Cornwall area |
7036 | Kennet catchment : time of travel studies final report |
7037 | Chlorohyll and Phosphorus Classifications for UK Lakes |
7038 | Herbarium Image: Phalaris arundinacea |
7039 | Herbarium Image: Orobanche elatior |
7040 | An appraisal of the options for the structure of the water resources function in Thames Region NRA |
7041 | Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991 |
7042 | Public participation and the Water Framework Directive |
7043 | Hampshire salmon seminar 5th October 1993 |
7044 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
7045 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
7046 | An investigation into bathing water quality at Millendreath |
7047 | Guide to groundwater vulnerability mapping in England and Wales |
7048 | Investigation of existing conservation interests and potential furtherance opportunities |
7049 | Locations of licensed abstractions and hydrometric stations |
7050 | NRA regional, area and catchment boundaries |