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6876Hampshire salmon seminar 5th October 1993
6877Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
6878Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
6879An investigation into bathing water quality at Millendreath
6880Guide to groundwater vulnerability mapping in England and Wales
6881Investigation of existing conservation interests and potential furtherance opportunities
6882Locations of licensed abstractions and hydrometric stations
6883NRA regional, area and catchment boundaries
6884Development of marine phytoplankton methodology and quality assurance procedures : second draft
6885Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report
6886Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
6887Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review
6888Sediment input from coastal cliff erosion : interim report (literature review)
6889River catchment plans for flood defence and land drainage : River Stort - evaluation report
6890Code of practice - marine activities : part I : sea-going vessels
6891Code of practice - marine activities : part II : boats - type II-V
6892Herbarium Image: Callitriche obtusangula
6893A brief history of the River Stour navigation : 1705 to the present day
6894Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996
6895Gipping/Stour catchment management plan : final plan
6896Guide to the Medway navigation 1994
6897Harbour of Rye
6898Herbarium Image: Ludwigia palustris
6899Narrowboats on the Thames : useful hints and tips
6900NRA navigation strategy