51 | First annual review of the River Taw catchment management plan (1996) |
52 | River water quality in the Midlands 1994/95 : water quality summary data |
53 | The quality of rivers in England and Wales (1990 to 1995) |
54 | An assessment of river water quality in the River Kenn |
55 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
56 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
57 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
58 | Distribution of Azolla in the Great Ouse catchment |
59 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
60 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
61 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |
62 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
63 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
64 | Lower Colne catchment management plan for flood defence and the environment : third draft |
65 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
66 | River Stort : draft catchment management plan for flood defence and the environment : May 1991 |
67 | River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region |
68 | River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region) |
69 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
70 | Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990 |
71 | The Warwickshire Avon catchment management plan : first annual review : October 1994 - October 1995 (NRA Severn -Trent 45)
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72 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
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73 | Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001) |
74 | River Bovey and Bovey minor tributaries corridor survey : October-November 1990 : a report prepared for the National Rivers Authority (South West Region) |
75 | Report on the millennium chalk streams fly trends study : a survey carried out in 2000 among 365 fly fishermen, fishery owners, club secretaries and river keepers |