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6726Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
6727Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
6728An investigation into bathing water quality at Millendreath
6729Guide to groundwater vulnerability mapping in England and Wales
6730Investigation of existing conservation interests and potential furtherance opportunities
6731Locations of licensed abstractions and hydrometric stations
6732NRA regional, area and catchment boundaries
6733Development of marine phytoplankton methodology and quality assurance procedures : second draft
6734Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report
6735Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
6736Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review
6737Sediment input from coastal cliff erosion : interim report (literature review)
6738River catchment plans for flood defence and land drainage : River Stort - evaluation report
6739Code of practice - marine activities : part I : sea-going vessels
6740Code of practice - marine activities : part II : boats - type II-V
6741Herbarium Image: Callitriche obtusangula
6742A brief history of the River Stour navigation : 1705 to the present day
6743Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996
6744Guide to the Medway navigation 1994
6745Harbour of Rye
6746Herbarium Image: Ludwigia palustris
6747Narrowboats on the Thames : useful hints and tips
6748NRA navigation strategy
6749Locks and weirs on the river Thames : how do they work?
6750Catchment drainage studies and flood plain identification : Cockshaw/Halgut Burn at Hexham : section 105 - C30/92 surveys