526 | Non-compliance of the Bidwell Brook with river quality objectives |
527 | An investigation into the sewage system and storm overflow at Beer (1997) |
528 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
529 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
530 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
531 | Snapshots of the environment : managing our freshwater fisheries |
532 | The effects of fishing at low water levels |
533 | 1967 - George and Gideon cutting mbati for the bedroom block. |
534 | 1967 - Quakers arriving on the shore of L.George. |
535 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
|
536 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
537 | Method for the assessment of river water quality using benthic macroinvertebrates |
538 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
539 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
540 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
541 | The greening of Grasmere: its plankton periodicity in 1988 |
542 | A strategic review of the petroleum refinery Industry Sector |
543 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
544 | Contribution of small streams to potential fish production in the Conwy catchment |
545 | NRA strategy for reducing the concentration of pesticides in controlled waters |
546 | Low-cost modifications of the Crump weir to improve fish passage |
547 | Policy and practice for the protection of groundwater - Thames region appendix |
548 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
549 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
550 | Guidance on the use of Bioassays in Ecological Risk Assessment |