626 | Distribution of Azolla in the Great Ouse catchment |
627 | Time of travel on the [River] Chertsey Bourne under low flow conditions |
628 | Regional fishing guide : a guide to day ticket waters in the Midlands |
629 | Non-compliance of the Bidwell Brook with river quality objectives |
630 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
631 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
632 | An environmental snapshot for the Anglian region 2003 |
633 | Waste : strategic waste management survey : landfill within the East Midlands planning region |
634 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
635 | Identification of water quality problems in the Strat and Neet catchments |
636 | Snapshots of the environment : managing our freshwater fisheries |
637 | The effects of fishing at low water levels |
638 | 1967 - George and Gideon cutting mbati for the bedroom block. |
639 | 1967 - Quakers arriving on the shore of L.George. |
640 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
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641 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
642 | Method for the assessment of river water quality using benthic macroinvertebrates |
643 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
644 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
645 | The greening of Grasmere: its plankton periodicity in 1988 |
646 | A strategic review of the petroleum refinery Industry Sector |
647 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
648 | Second annual review of the Sid/Otter catchment management plan 1999 |
649 | Contribution of small streams to potential fish production in the Conwy catchment |
650 | NRA strategy for reducing the concentration of pesticides in controlled waters |