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6626A simple key to canal water quality using a biological technique
6627NRA Welsh Region South West Area Minewaters Workshop, 23 May 1995, Swansea : summary report
6628A survey of ferruginous minewater impacts in the Welsh coalfields
6629Dioxins and the River Doe Lea : plain English report
6630A review of the industrial uses of continuous monitoring systems : incineration processes : a report produced for NCCA and ETSU by Entec
6631Kennet catchment : time of travel studies final report
6632Chlorohyll and Phosphorus Classifications for UK Lakes
6633Herbarium Image: Phalaris arundinacea
6634Herbarium Image: Orobanche elatior
6635An appraisal of the options for the structure of the water resources function in Thames Region NRA
6636Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991
6637Public participation and the Water Framework Directive
6638Hampshire salmon seminar 5th October 1993
6639Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
6640Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
6641An investigation into bathing water quality at Millendreath
6642Guide to groundwater vulnerability mapping in England and Wales
6643Investigation of existing conservation interests and potential furtherance opportunities
6644Locations of licensed abstractions and hydrometric stations
6645NRA regional, area and catchment boundaries
6646Development of marine phytoplankton methodology and quality assurance procedures : second draft
6647Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report
6648Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
6649Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review
6650Sediment input from coastal cliff erosion : interim report (literature review)