| 626 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
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| 627 | Environmental snapshot for the East of England [version 1] |
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| 628 | The regulation of salmon angling in Great Britain
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| 629 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 630 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 631 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 632 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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| 633 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 634 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 635 | PVC : an evaluation using the Natural Step framework |
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| 636 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 637 | Landfill and the water environment : NRA position statement |
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| 638 | The vision for our environment : making it happen |
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| 639 | Environment Agency guidance on the conditioning of intermediate level waste |
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| 640 | Quality audit of biological samples for the 1991 river quality survey |
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| 641 | Pesticides in the aquatic environment 1997 full report |
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| 642 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 643 | The precious resource : a brief guide to managing our water resources |
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| 644 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 645 | Charging for discharges scheme : guidance to the agricultural industry |
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| 646 | Priority and other specific polluting substances and the Water Framework Directive |
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| 647 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
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| 648 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 649 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 650 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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