| 476 | Impact assessment of Meldon quarry on water quality in the West Okement river |
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| 477 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
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| 478 | The government's policy for a public regulatory body in a privatised water industry |
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| 479 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
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| 480 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 481 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 482 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 483 | The Impact Of Grazing And Upland Management On Erosion And Runoff: Additional Information |
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| 484 | Extending Rutland yield analysis to 1933 : supporting documentation for the regional water resources strategy |
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| 485 | Investigation into the intermittent failure of Wembury Beach to comply with EC bathing water |
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| 486 | The River Babingley. Volume 1 : executive summary : a report for National Rivers Authority, Anglian Region |
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| 487 | The effect of ferric dosing of lakes on benthic invertebrates : first year report |
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| 488 | The hydrological effects of demand management : project definition stage report : 28th May 1996 |
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| 489 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2011 |
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| 490 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2011 |
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| 491 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk A |
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| 492 | Use Of Pattern Recognition To Identify The Source Of An Oil Spill On An Inland Water |
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| 493 | Evaluating the impact of groundwater abstraction on key conservation sites. Stage 1 reports for AMP3 |
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| 494 | Report on the By Brook low flow investigations : October 2001 : volume 1 : report |
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| 495 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk E |
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| 496 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
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| 497 | Future water resources in the Thames Region : a strategy for sustainable management : summary document |
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| 498 | Future water resources in the Thames Region : a strategy for sustainable management. June 1994 |
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| 499 | Groundwater management in the North West: efficiency review and business plan: certificate in management |
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| 500 | Environmental impact assessment in relation to water resources authorisations : guidance on the requirements and procedures |
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