| 476 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
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| 477 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
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| 478 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
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| 479 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 480 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
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| 481 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
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| 482 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 483 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
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| 484 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
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| 485 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
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| 486 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
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| 487 | The regulation of salmon angling in Great Britain
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| 488 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 489 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 490 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 491 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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| 492 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 493 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 494 | PVC : an evaluation using the Natural Step framework |
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| 495 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 496 | Landfill and the water environment : NRA position statement |
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| 497 | The vision for our environment : making it happen |
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| 498 | Environment Agency guidance on the conditioning of intermediate level waste |
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| 499 | Quality audit of biological samples for the 1991 river quality survey |
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| 500 | Pesticides in the aquatic environment 1997 full report |
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