601 | Further guidance on the environmental assessment of projects |
602 | Assessing the impact of dewatering on water resources |
603 | The use and design of oil separators in surface water drainage systems |
604 | The utilisation of stick-pile otter holts in south east Wales |
605 | Improving the Environment Agency's contribution to wetland bird populations |
606 | Groundwater-surface Water Interactions in the Hyporheic Zone |
607 | River water quality in the Midlands 1994/95 : water quality summary data |
608 | Model Procedures for the Management of Land Contamination |
609 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
610 | Reappraisal of the River Lee to Wheathampstead Mill |
611 | Moston Brook Summary Report for the Evidence and Measures Project |
612 | Environmental planning issues in the North Wessex area |
613 | Strategy for the use of field instrumentation in water quality monitoring |
614 | Anthropogenic Influences on the temperature regime in a chalk river |
615 | London's river (information pack on the River Thames) |
616 | Water and the environment in times of drought |
617 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
618 | Water and the environment in times of drought |
619 | Algae or sewage? : helping you tell the difference |
620 | The Role Of Bankside Habitat In River Ecology |
621 | Economic changes to the value of water environment : draft final report |
622 | NRA superannuation report and accounts for the period ended 31 March 1990 |
623 | Water quality 2000 : a strategy for the water quality function |
624 | Computer files used in the calculation of Rutland and Grafham yields |
625 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |