6851 | An investigation into bathing water quality at Millendreath |
6852 | Guide to groundwater vulnerability mapping in England and Wales |
6853 | Investigation of existing conservation interests and potential furtherance opportunities |
6854 | Locations of licensed abstractions and hydrometric stations |
6855 | NRA regional, area and catchment boundaries |
6856 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
6857 | Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report |
6858 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
6859 | Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review |
6860 | Sediment input from coastal cliff erosion : interim report (literature review) |
6861 | River catchment plans for flood defence and land drainage : River Stort - evaluation report |
6862 | Code of practice - marine activities : part I : sea-going vessels |
6863 | Code of practice - marine activities : part II : boats - type II-V |
6864 | Herbarium Image: Callitriche obtusangula |
6865 | A brief history of the River Stour navigation : 1705 to the present day |
6866 | Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996 |
6867 | Gipping/Stour catchment management plan : final plan |
6868 | Guide to the Medway navigation 1994 |
6869 | Harbour of Rye |
6870 | Herbarium Image: Ludwigia palustris |
6871 | Narrowboats on the Thames : useful hints and tips |
6872 | NRA navigation strategy |
6873 | Locks and weirs on the river Thames : how do they work? |
6874 | Catchment drainage studies and flood plain identification : Cockshaw/Halgut Burn at Hexham : section 105 - C30/92 surveys |
6875 | Bristol Avon Area fishery survey : Byde Mill Brook |