426 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
427 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
428 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
429 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
430 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
431 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
432 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
433 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
434 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
435 | The River Eden Demonstration Test Catchment (DTC) Data |
436 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
437 | Environmental snapshot for the East of England [version 1] |
438 | The regulation of salmon angling in Great Britain
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439 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
440 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
441 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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442 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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443 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
444 | The evaluation of Grant/YSU 3800 water quality monitor |
445 | PVC : an evaluation using the Natural Step framework |
446 | Landfill and the water environment : NRA position statement |
447 | The vision for our environment : making it happen |
448 | Environment Agency guidance on the conditioning of intermediate level waste |
449 | The precious resource : a brief guide to managing our water resources |
450 | Quantification of the relationship between effluent quality and biological quality : final report |