| 76 | Policy and practice for the protection of groundwater |
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| 77 | Policy and practice for the protection of groundwater |
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| 78 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
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| 79 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
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| 80 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
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| 81 | The quality of rivers in England and Wales (1990 to 1995) |
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| 82 | Policy and practice for the protection of groundwater - NRA leaflet |
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| 83 | Policy and practice for the protection of groundwater : draft for consultation |
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| 84 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
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| 85 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
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| 86 | Report on monitoring of environmental quality in the Severn Estuary |
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| 87 | Policy and practice for the protection of groundwater |
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| 88 | Charging for discharges scheme : guidance to the agricultural industry |
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| 89 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
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| 90 | Contribution of small streams to potential fish production in the Conwy catchment |
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| 91 | The Menai Strait Catchment Managment Plan Action Plan; 1995 (Bilingual) |
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| 92 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
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| 93 | River quality in England and Wales : a report of the 1990 survey |
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| 94 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
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| 95 | Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course |
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| 96 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 97 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
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| 98 | A review of factors affecting the abundance and catch of spring salmon fom the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
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| 99 | Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities |
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| 100 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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