576 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
577 | The River Eden Demonstration Test Catchment (DTC) Data |
578 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
579 | Environmental snapshot for the East of England [version 1] |
580 | The regulation of salmon angling in Great Britain
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581 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
582 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
583 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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584 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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585 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
586 | The evaluation of Grant/YSU 3800 water quality monitor |
587 | PVC : an evaluation using the Natural Step framework |
588 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
589 | Landfill and the water environment : NRA position statement |
590 | The vision for our environment : making it happen |
591 | Environment Agency guidance on the conditioning of intermediate level waste |
592 | Quality audit of biological samples for the 1991 river quality survey |
593 | Pesticides in the aquatic environment 1997 full report |
594 | The precious resource : a brief guide to managing our water resources |
595 | Quantification of the relationship between effluent quality and biological quality : final report |
596 | Charging for discharges scheme : guidance to the agricultural industry |
597 | Priority and other specific polluting substances and the Water Framework Directive |
598 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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599 | An Aerial Photograph of Ferry House and The Pearsall Building |
600 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |