601 | Anthropogenic Influences on the temperature regime in a chalk river |
602 | London's river (information pack on the River Thames) |
603 | Water and the environment in times of drought |
604 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
605 | Water and the environment in times of drought |
606 | A strategy for the management of salmon in England and Wales |
607 | Algae or sewage? : helping you tell the difference |
608 | The Role Of Bankside Habitat In River Ecology |
609 | Economic changes to the value of water environment : draft final report |
610 | NRA superannuation report and accounts for the period ended 31 March 1990 |
611 | Wash zone report. Part 1 : the Wash NRA monitoring review |
612 | Broadland flood alleviation strategy : the programme for flood defence works |
613 | Water quality 2000 : a strategy for the water quality function |
614 | The Cam catchment, Anglian region : proposals for statutory water quality objectives |
615 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
616 | The Restoration of Floodplain Woodlands in Lowland Britain |
617 | Take to the water : a beginner's guide to boating on inland waterways |
618 | Report on the quality of bathing waters 1990 |
619 | Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment |
620 | Wetlands for Wales : a strategy for the third millenium |
621 | The Warwickshire Avon catchment management plan : consultation report : March 1994 |
622 | The Impacts of flooding on urban and rural communities |
623 | The River Thame : catchment review : first draft - 16th Februrary 1996 |
624 | The relationship between turbidity and suspended solids in final effluents |
625 | General guide to the prevention of pollution of controlled water |