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6426Hampshire salmon seminar 5th October 1993
6427Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
6428Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
6429An investigation into bathing water quality at Millendreath
6430Investigation of existing conservation interests and potential furtherance opportunities
6431Locations of licensed abstractions and hydrometric stations
6432NRA regional, area and catchment boundaries
6433Development of marine phytoplankton methodology and quality assurance procedures : second draft
6434Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report
6435Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review
6436Sediment input from coastal cliff erosion : interim report (literature review)
6437River catchment plans for flood defence and land drainage : River Stort - evaluation report
6438Code of practice - marine activities : part I : sea-going vessels
6439Code of practice - marine activities : part II : boats - type II-V
6440Herbarium Image: Callitriche obtusangula
6441A brief history of the River Stour navigation : 1705 to the present day
6442Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996
6443Gipping/Stour catchment management plan : final plan
6444Guide to the Medway navigation 1994
6445Harbour of Rye
6446Herbarium Image: Ludwigia palustris
6447Narrowboats on the Thames : useful hints and tips
6448NRA navigation strategy
6449Locks and weirs on the river Thames : how do they work?
6450Catchment drainage studies and flood plain identification : Cockshaw/Halgut Burn at Hexham : section 105 - C30/92 surveys