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5751Herbarium Image: Orobanche elatior
5752An appraisal of the options for the structure of the water resources function in Thames Region NRA
5753Public participation and the Water Framework Directive
5754Hampshire salmon seminar 5th October 1993
5755Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
5756Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
5757Guide to groundwater vulnerability mapping in England and Wales
5758Investigation of existing conservation interests and potential furtherance opportunities
5759Locations of licensed abstractions and hydrometric stations
5760NRA regional, area and catchment boundaries
5761Development of marine phytoplankton methodology and quality assurance procedures : second draft
5762Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report
5763Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
5764Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review
5765Sediment input from coastal cliff erosion : interim report (literature review)
5766Code of practice - marine activities : part I : sea-going vessels
5767Code of practice - marine activities : part II : boats - type II-V
5768Herbarium Image: Callitriche obtusangula
5769A brief history of the River Stour navigation : 1705 to the present day
5770Guide to the Medway navigation 1994
5771Harbour of Rye
5772Herbarium Image: Ludwigia palustris
5773Narrowboats on the Thames : useful hints and tips
5774NRA navigation strategy
5775Locks and weirs on the river Thames : how do they work?