| 601 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
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| 602 | Identification of water quality problems in the Strat and Neet catchments |
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| 603 | Snapshots of the environment : managing our freshwater fisheries |
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| 604 | The effects of fishing at low water levels |
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| 605 | 1967 - George and Gideon cutting mbati for the bedroom block. |
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| 606 | 1967 - Quakers arriving on the shore of L.George. |
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| 607 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
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| 608 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
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| 609 | Method for the assessment of river water quality using benthic macroinvertebrates |
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| 610 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
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| 611 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
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| 612 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
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| 613 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 614 | A strategic review of the petroleum refinery Industry Sector |
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| 615 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
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| 616 | Contribution of small streams to potential fish production in the Conwy catchment |
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| 617 | NRA strategy for reducing the concentration of pesticides in controlled waters |
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| 618 | The ecology and management of riverine trees : interim report |
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| 619 | Low-cost modifications of the Crump weir to improve fish passage |
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| 620 | Policy and practice for the protection of groundwater - Thames region appendix |
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| 621 | Policy and practice for the protection of floodplains |
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| 622 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
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| 623 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
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| 624 | The Yarrow catchment : recommendations for statutory water quality objectives |
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| 625 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
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