601 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
602 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
603 | Waste : strategic waste management survey : landfill within the East Midlands planning region |
604 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
605 | Snapshots of the environment : managing our freshwater fisheries |
606 | The effects of fishing at low water levels |
607 | 1967 - George and Gideon cutting mbati for the bedroom block. |
608 | 1967 - Quakers arriving on the shore of L.George. |
609 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
|
610 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
611 | Method for the assessment of river water quality using benthic macroinvertebrates |
612 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
613 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
614 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
615 | The greening of Grasmere: its plankton periodicity in 1988 |
616 | A strategic review of the petroleum refinery Industry Sector |
617 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
618 | Contribution of small streams to potential fish production in the Conwy catchment |
619 | NRA strategy for reducing the concentration of pesticides in controlled waters |
620 | The ecology and management of riverine trees : interim report |
621 | Low-cost modifications of the Crump weir to improve fish passage |
622 | Policy and practice for the protection of groundwater - Thames region appendix |
623 | Policy and practice for the protection of floodplains |
624 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
625 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |