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