5051 | North Devon coast and Lyn catchment river water quality classification 1991 |
5052 | Occurrence of cryptosporidium oocysts in river water |
5053 | Review of fishery regulations on the Rivers Taw and Torridge |
5054 | River Lyn fisheries survey 1994 |
5055 | River quality classification 1985-1990 : identification of possible causes of non-compliance with river quality objectives |
5056 | River Taw : catchment action plan |
5057 | River Taw catchment river water quality classification 1990 |
5058 | River Taw catchment river water quality classification 1991 |
5059 | River Torridge and Hartland streams : action plan : plan from September 1999 to September 2004 |
5060 | River Torridge and Hartland Streams : consultation draft : September 1998 |
5061 | River Torridge catchment action plan |
5062 | River Torridge catchment action plan |
5063 | River Torridge catchment river water quality classification 1990 |
5064 | River Torridge catchment river water quality classification 1991 |
5065 | River Torridge Salmon and Sea Trout : Redd distribution 1969-1991 |
5066 | Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys |
5067 | West and East Lyn Rivers : catchment action plan |
5068 | Atmospheric inputs of pollutants to surface waters |
5069 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
5070 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
5071 | A report on the River Chew at Chewton Mendip, 6th August 1992 |
5072 | Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare |
5073 | Discharge consent review for Pen Mill (Yeovil) STW |
5074 | Fishery survey of the Doniford Stream 1994 |
5075 | Fishery survey of the Horner Water catchment |