| 601 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
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| 602 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 603 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
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| 604 | The regulation of salmon angling in Great Britain
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| 605 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 606 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 607 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 608 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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| 609 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 610 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 611 | PVC : an evaluation using the Natural Step framework |
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| 612 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 613 | Landfill and the water environment : NRA position statement |
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| 614 | The vision for our environment : making it happen |
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| 615 | Environment Agency guidance on the conditioning of intermediate level waste |
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| 616 | Quality audit of biological samples for the 1991 river quality survey |
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| 617 | Pesticides in the aquatic environment 1997 full report |
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| 618 | The precious resource : a brief guide to managing our water resources |
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| 619 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 620 | Charging for discharges scheme : guidance to the agricultural industry |
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| 621 | Priority and other specific polluting substances and the Water Framework Directive |
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| 622 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
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| 623 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 624 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 625 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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