926 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
927 | Narrowboats on the Thames : useful hints and tips |
928 | Locks and weirs on the river Thames : how do they work? |
929 | A guide to sustainable urban drainage : protecting the quality of our environment |
930 | Air dispersion climate from the Castle Cement works at Ribblesdale |
931 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
932 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
933 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
934 | The NRA in business : annual review and summary accounts 1993-94 |
935 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
936 | Cyanobacteria (blue-green algae) in the south west region 1989 |
937 | Toxic blue-green algae : a report by the National Rivers Authority |
938 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
939 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
940 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
941 | The River Alt/Crossens fish stock assessment 2001 |
942 | An assessment of water quality in the River Yarty catchment |
943 | Investigations of discharges into the River Lemon at Newton Abbot |
944 | Report on monitoring of environmental quality in the Severn Estuary |
945 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
946 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
947 | Artificial recharge to groundwater in the Otter valley |
948 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
949 | Water quality in Anglian Region : the first five years |
950 | State of the environment report 2001 : West Midlands Region |