| 51 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
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| 52 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
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| 53 | Water conservation planning in the USA : meeting organised by the Environment Agency and CIWEM, 14th June 1996, CBI |
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| 54 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
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| 55 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
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| 56 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
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| 57 | The quality of rivers and estuaries in Northumbria region 1990 |
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| 58 | The Yarrow catchment : recommendations for statutory water quality objectives |
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| 59 | The Mersey Estuary 1992 surveys : summary of results |
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| 60 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 61 | The River Alt/Crossens fish stock assessment 2001 |
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| 62 | Second annual review of the Taw / Torridge Estuary catchment management plan |
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| 63 | Second annual review of the Lower Bristol Avon catchment management plan |
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| 64 | Second annual review of the River Taw catchment management plan |
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| 65 | Second annual review of the River Torridge catchment management plan |
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| 66 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 67 | A report on the River Chew at Chewton Mendip, 6th August 1992 |
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| 68 | Review of water resources in the Fylde Aquifer and Wyre catchment |
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| 69 | An investigation of sewage on the beach at Porthcothan |
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| 70 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
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| 71 | Environmental protection and pollution control : in the North West |
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| 72 | Habitat preferences of the bullhead (Cottus gobio) in some Norfolk rivers |
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| 73 | The Hartland Streams catchment management plan : action plan |
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| 74 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
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| 75 | The River Avon and its tributaries near Malmesbury : river management studies |
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