51 | Preventing the spread of crayfish plague in the South West |
52 | An investigation into the effects of Woking STW on the River Wey |
53 | Investigation into the cause of high pH in the Budleigh Brook |
54 | The results of fish telemetry trails in the river Tawe estuary, 1991 |
55 | The extent of phosphorus release in the Norfolk Broads |
56 | 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 |
57 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
58 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
59 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
60 | Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994 |
61 | Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000) |
62 | Rivers of the Isle of Wight |
63 | The River Lark project Model Manual |
64 | Study of the River Stour, Kent |
65 | The Nidd and Wharfe catchment (river factfiles) |
66 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
67 | The River Thame : catchment review : march 1996 |
68 | Fishery survey of the Congresbury Yeo, 1994 |
69 | Flood defences : the Lower Witham strategy |
70 | Fishery survey of the River Yeo catchment |
71 | The River Ogmore action plan support document |
72 | River water quality in the Midlands 1997 |
73 | Fishery survey of the Doniford Stream 1994 |
74 | River water quality in the Midlands 1998 |
75 | The Tame catchment (NRA Severn-Trent 67) |