601 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
602 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
603 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
604 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
605 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
606 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
607 | The River Eden Demonstration Test Catchment (DTC) Data |
608 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
609 | Environmental snapshot for the East of England [version 1] |
610 | The regulation of salmon angling in Great Britain
|
611 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
612 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
613 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
|
614 | Dead zones, live markers: the biological environments of larger U.K. Rivers
|
615 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
616 | The evaluation of Grant/YSU 3800 water quality monitor |
617 | PVC : an evaluation using the Natural Step framework |
618 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
619 | Landfill and the water environment : NRA position statement |
620 | The vision for our environment : making it happen |
621 | Environment Agency guidance on the conditioning of intermediate level waste |
622 | Quality audit of biological samples for the 1991 river quality survey |
623 | Pesticides in the aquatic environment 1997 full report |
624 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
625 | The precious resource : a brief guide to managing our water resources |