476 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
477 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
478 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
479 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
480 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
481 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
482 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
483 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
484 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
485 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
486 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
487 | The regulation of salmon angling in Great Britain
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488 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
489 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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490 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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491 | PVC : an evaluation using the Natural Step framework |
492 | Landfill and the water environment : NRA position statement |
493 | The vision for our environment : making it happen |
494 | Environment Agency guidance on the conditioning of intermediate level waste |
495 | Pesticides in the aquatic environment 1997 full report |
496 | The precious resource : a brief guide to managing our water resources |
497 | Charging for discharges scheme : guidance to the agricultural industry |
498 | Priority and other specific polluting substances and the Water Framework Directive |
499 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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500 | An Aerial Photograph of Ferry House and The Pearsall Building |