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7176Herbarium Image: Orobanche elatior
7177An appraisal of the options for the structure of the water resources function in Thames Region NRA
7178Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991
7179Public participation and the Water Framework Directive
7180Hampshire salmon seminar 5th October 1993
7181Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
7182Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
7183An investigation into bathing water quality at Millendreath
7184Guide to groundwater vulnerability mapping in England and Wales
7185Investigation of existing conservation interests and potential furtherance opportunities
7186Locations of licensed abstractions and hydrometric stations
7187NRA regional, area and catchment boundaries
7188Development of marine phytoplankton methodology and quality assurance procedures : second draft
7189Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report
7190Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
7191Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review
7192Sediment input from coastal cliff erosion : interim report (literature review)
7193River catchment plans for flood defence and land drainage : River Stort - evaluation report
7194Code of practice - marine activities : part I : sea-going vessels
7195Code of practice - marine activities : part II : boats - type II-V
7196Herbarium Image: Callitriche obtusangula
7197A brief history of the River Stour navigation : 1705 to the present day
7198Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996
7199Gipping/Stour catchment management plan : final plan
7200Guide to the Medway navigation 1994