76 | Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd |
77 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
78 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
79 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
80 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
81 | Addendum to the Stanmoor bank feasibility study and appraisal report : Lower Tone flood defence improvements : phase II |
82 | River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region) |
83 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
84 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
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85 | The River Taf catchment management plan : action plan 1995 (bilingual) : Cynllun rheoli dalgylch Afon Taf : cynllun gweithredu 1995 |
86 | Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys |
87 | River Bovey and Bovey minor tributaries corridor survey : October-November 1990 : a report prepared for the National Rivers Authority (South West Region) |
88 | Local environment focus : local environmental issues in Wolverhampton, Dudley, Kidderminster, Wombourne, Kinver, Stourbridge, Halesowen and West Hagley : Local Environment Agency Plan (LEAP) for the West Midlands Stour : 3rd annual review December 2001 |