51 | The results of fish telemetry trails in the river Tawe estuary, 1991 |
52 | The extent of phosphorus release in the Norfolk Broads |
53 | Report on the 1995 stock assessment of the Douglas catchment |
54 | Investigation into the cause of high pH in the Budleigh Brook |
55 | The effects of Guildford STW on the River Wey |
56 | River Darent : strategy for the enhancement of the River Darent, Kent |
57 | Preventing the spread of crayfish plague in the South West |
58 | Hysim model : modelling the flows of the River Deben |
59 | An investigation into the bacteriological levels in the River Seaton |
60 | The restoration of the River Ver : the success story of a collaborative project between the National Rivers Authority, Three Valleys Water and the Ver Valley Society |
61 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
62 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
63 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
64 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
65 | Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994 |
66 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
67 | The impact of ferruginous minewater break-outs on the environmental quality of the Rivers Rhymney, Ebbw and Sirhowy : summary report |
68 | Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000) |
69 | Guide to the Medway navigation 1994 |
70 | Pollution control on the River Alt |
71 | Fishery survey of the River Axe catchment |
72 | Fish found in the tidal Thames |
73 | Canoeist guide to the River Severn |
74 | The Ely Ouse Essex water transfer scheme |
75 | Fishery survey of the Horner Water catchment |