51 | Preventing the spread of crayfish plague in the South West |
52 | An investigation into the effect of Farnham STW on the River Wey |
53 | 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 |
54 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
55 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
56 | Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000) |
57 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
58 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
59 | Pollution control on the River Alt |
60 | The River Lark project Final Report |
61 | Flood defences : the Lower Witham strategy |
62 | The River Ogmore action plan support document |
63 | Canoeist guide to the River Severn |
64 | Rivers of the Isle of Wight |
65 | Lake restoration : the role of biomanipulation : a one day seminar held in the Broads 18th March 1993 : organised by the National Rivers Authority and the Broads Authority |
66 | Study of the River Stour, Kent |
67 | Safeguarding the lower bristol avon - public consultation |
68 | Beneath the town : safeguarding Bodmin from flooding |
69 | The Ely Ouse Essex water transfer scheme |
70 | Phosphate in the cut-off channel |
71 | The River Lark project Model Manual |
72 | The Tame catchment (NRA Severn-Trent 67) |
73 | The Nidd and Wharfe catchment (river factfiles) |
74 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
75 | River water quality in the Midlands 1997 |