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4876Hartland streams river water quality classification 1991
4877Impact assessment of acidic and metalliferous pollution in the Fowley Stream
4878North Devon coast and Lyn catchment river water quality classification 1990
4879Water for the future in Kent : NRA response to the issues and options report
4880North Devon coast and Lyn catchment river water quality classification 1991
4881Occurrence of cryptosporidium oocysts in river water
4882Review of fishery regulations on the Rivers Taw and Torridge
4883River Lyn fisheries survey 1994
4884River quality classification 1985-1990 : identification of possible causes of non-compliance with river quality objectives
4885River Taw : catchment action plan
4886River Taw catchment river water quality classification 1990
4887River Taw catchment river water quality classification 1991
4888River Torridge and Hartland streams : action plan : plan from September 1999 to September 2004
4889River Torridge and Hartland Streams : consultation draft : September 1998
4890River Torridge catchment action plan
4891River Torridge catchment action plan
4892River Torridge catchment river water quality classification 1990
4893River Torridge catchment river water quality classification 1991
4894River Torridge Salmon and Sea Trout : Redd distribution 1969-1991
4895Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys
4896West and East Lyn Rivers : catchment action plan
4897Atmospheric inputs of pollutants to surface waters
4898A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
4899A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
4900A report on the River Chew at Chewton Mendip, 6th August 1992