| 176 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
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| 177 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
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| 178 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
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| 179 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
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| 180 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
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| 181 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
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| 182 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
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| 183 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
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| 184 | The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions |
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| 185 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 186 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
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| 187 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
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| 188 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 189 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
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| 190 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 191 | Quality audit of biological samples for the 1991 river quality survey |
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| 192 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 193 | The River Cam catchment management plan : annual monitoring report |
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| 194 | Statement on public consultation for the Dove CMP : July 1995 |
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| 195 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 196 | Rivers of the Isle of Wight fact file |
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| 197 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
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| 198 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
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| 199 | National guidelines for the production of NRA regions 1990/91 regional plans |
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| 200 | River Great Ouse navigation : the Great Ouse your river for life |
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