551 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
552 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
553 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
554 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
555 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
556 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
557 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
558 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
559 | The River Eden Demonstration Test Catchment (DTC) Data |
560 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
561 | Environmental snapshot for the East of England [version 1] |
562 | The regulation of salmon angling in Great Britain
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563 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
564 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
565 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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566 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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567 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
568 | The evaluation of Grant/YSU 3800 water quality monitor |
569 | PVC : an evaluation using the Natural Step framework |
570 | Landfill and the water environment : NRA position statement |
571 | The vision for our environment : making it happen |
572 | Environment Agency guidance on the conditioning of intermediate level waste |
573 | Quality audit of biological samples for the 1991 river quality survey |
574 | Pesticides in the aquatic environment 1997 full report |
575 | The precious resource : a brief guide to managing our water resources |