451 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
452 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
453 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
454 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
455 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
456 | The River Eden Demonstration Test Catchment (DTC) Data |
457 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
458 | The regulation of salmon angling in Great Britain
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459 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
460 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
461 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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462 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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463 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
464 | The evaluation of Grant/YSU 3800 water quality monitor |
465 | PVC : an evaluation using the Natural Step framework |
466 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
467 | Landfill and the water environment : NRA position statement |
468 | Environment Agency guidance on the conditioning of intermediate level waste |
469 | Quality audit of biological samples for the 1991 river quality survey |
470 | Pesticides in the aquatic environment 1997 full report |
471 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
472 | The precious resource : a brief guide to managing our water resources |
473 | Quantification of the relationship between effluent quality and biological quality : final report |
474 | Charging for discharges scheme : guidance to the agricultural industry |
475 | Priority and other specific polluting substances and the Water Framework Directive |