| 601 | The use of herbicides in or near water |
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| 602 | Status of rare fish : literature review of Freshwater Fish in the UK |
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| 603 | Distribution of Azolla in the Great Ouse catchment |
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| 604 | Leachate Monitoring For The Brogborough Test Cell Project |
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| 605 | Time of travel on the [River] Chertsey Bourne under low flow conditions |
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| 606 | Regional fishing guide : a guide to day ticket waters in the Midlands |
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| 607 | Non-compliance of the Bidwell Brook with river quality objectives |
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| 608 | An investigation into the sewage system and storm overflow at Beer (1997) |
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| 609 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
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| 610 | Waste : strategic waste management survey : landfill within the East Midlands planning region |
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| 611 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
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| 612 | Identification of water quality problems in the Strat and Neet catchments |
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| 613 | Snapshots of the environment : managing our freshwater fisheries |
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| 614 | The effects of fishing at low water levels |
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| 615 | 1967 - George and Gideon cutting mbati for the bedroom block. |
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| 616 | 1967 - Quakers arriving on the shore of L.George. |
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| 617 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
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| 618 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
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| 619 | Method for the assessment of river water quality using benthic macroinvertebrates |
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| 620 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
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| 621 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
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| 622 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
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| 623 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 624 | A strategic review of the petroleum refinery Industry Sector |
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| 625 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
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