526 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
527 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
528 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
529 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
530 | The River Eden Demonstration Test Catchment (DTC) Data |
531 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
532 | The regulation of salmon angling in Great Britain
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533 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
534 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
535 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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536 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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537 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
538 | The evaluation of Grant/YSU 3800 water quality monitor |
539 | PVC : an evaluation using the Natural Step framework |
540 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
541 | Landfill and the water environment : NRA position statement |
542 | The vision for our environment : making it happen |
543 | Environment Agency guidance on the conditioning of intermediate level waste |
544 | Pesticides in the aquatic environment 1997 full report |
545 | The precious resource : a brief guide to managing our water resources |
546 | Quantification of the relationship between effluent quality and biological quality : final report |
547 | Charging for discharges scheme : guidance to the agricultural industry |
548 | Priority and other specific polluting substances and the Water Framework Directive |
549 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
550 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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