526 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
527 | The River Eden Demonstration Test Catchment (DTC) Data |
528 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
529 | The regulation of salmon angling in Great Britain
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530 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
531 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
532 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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533 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
534 | The evaluation of Grant/YSU 3800 water quality monitor |
535 | PVC : an evaluation using the Natural Step framework |
536 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
537 | Landfill and the water environment : NRA position statement |
538 | The vision for our environment : making it happen |
539 | Environment Agency guidance on the conditioning of intermediate level waste |
540 | Quality audit of biological samples for the 1991 river quality survey |
541 | Pesticides in the aquatic environment 1997 full report |
542 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
543 | The precious resource : a brief guide to managing our water resources |
544 | Quantification of the relationship between effluent quality and biological quality : final report |
545 | Charging for discharges scheme : guidance to the agricultural industry |
546 | Priority and other specific polluting substances and the Water Framework Directive |
547 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
548 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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549 | An Aerial Photograph of Ferry House and The Pearsall Building |
550 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |