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4976Herbarium Image: Ranunculus peltatus
4977Herbarium Image: Veronica anagallis-aquatica
4978Herbarium Image: Zannichellia palustris
4979Herbarium Image: Veronica scutellata
4980Herbarium Image: Veronica filiformis
4981Herbarium Image: Veronica anagallis-aquatica
4982Herbarium Image: Zannichellia palustris
4983Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall
4984A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area
4985An investigation into the bathing water quality at Porthallow
4986An investigation of the water quality in three Plymouth catchment streams
4987River stretch quality : part 1 : river stretch reference information
4988Determining The Freshwater Flow Needs Of Estuaries
4989Gorran Haven (Little Perhaver) EC bathing waters directive failure 1996 : an investigation of the Gorran Haven Stream
4990Hartsbourne Stream : proposed flood alleviation scheme
4991Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland
4992Lands End streams river water quality classification 1990
4993Lizard Peninsular streams and Helford River catchment river water quality classification 1990
4994Malodours and discolouration on the Wool Brook Sidmouth
4995Millendreath Stream EC Bathing Waters bacterial contamination investigation 1995
4996National Rivers Authority (Thames Region) : Bridge Mill, Wheathampstead, survey and analysis of culverts
4997South Cornwall coastal streams : catchment action plan
4998The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation
4999The Trophic Diatom Index: A User's Manual;
5000Transport velocities in Lincoln division : streams I report