876 | Narrowboats on the Thames : useful hints and tips |
877 | Locks and weirs on the river Thames : how do they work? |
878 | The River Avon and its tributaries near Malmesbury : river management studies |
879 | Eel and elver studies in the Severn : interim report (256/6/ST) |
880 | The quality of rivers and estuaries in Northumbria region 1990 |
881 | A guide to sustainable urban drainage : protecting the quality of our environment |
882 | Air dispersion climate from the Castle Cement works at Ribblesdale |
883 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
884 | Pesticide residues in fish taken from the Newlyn River (1992) |
885 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
886 | Doe Lea restoration study : the work of WRc |
887 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
888 | The NRA in business : annual review and summary accounts 1993-94 |
889 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
890 | Toxic blue-green algae : a report by the National Rivers Authority |
891 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
892 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
893 | The River Alt/Crossens fish stock assessment 2001 |
894 | An assessment of water quality in the River Yarty catchment |
895 | Report on monitoring of environmental quality in the Severn Estuary |
896 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
897 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
898 | Artificial recharge to groundwater in the Otter valley |
899 | The Ely Ouse catchment management plan : final plan : January 1994 |
900 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |