526 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
527 | Waste : strategic waste management survey : landfill within the East Midlands planning region |
528 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
529 | Snapshots of the environment : managing our freshwater fisheries |
530 | The effects of fishing at low water levels |
531 | 1967 - George and Gideon cutting mbati for the bedroom block. |
532 | 1967 - Quakers arriving on the shore of L.George. |
533 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
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534 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
535 | Method for the assessment of river water quality using benthic macroinvertebrates |
536 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
537 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
538 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
539 | The greening of Grasmere: its plankton periodicity in 1988 |
540 | A strategic review of the petroleum refinery Industry Sector |
541 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
542 | NRA strategy for reducing the concentration of pesticides in controlled waters |
543 | Low-cost modifications of the Crump weir to improve fish passage |
544 | Policy and practice for the protection of floodplains |
545 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
546 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
547 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
548 | Guidance on the use of Bioassays in Ecological Risk Assessment |
549 | The National Rivers Authority employee attitude survey : summary |
550 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |