| 201 | Herbarium Image: Ceratophyllum demersum |
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| 202 | Herbarium Image: Minuartia verna |
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| 203 | National Rivers Authority sea defence survey 1990/1991 : survey report phase 1, phase 2 and phase 3 |
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| 204 | 1996 Hit Lists, Final Draft Annex 1A High Loads summarised by Region |
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| 205 | National Rivers Authority Severn Trent Region : information (NRA Severn-Trent 50)
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| 206 | Charging for discharges scheme : guidance to the agricultural industry |
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| 207 | FBA Annual Scientific Meeting student presentation |
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| 208 | River Wear at Durham : section 105 - C30/92 surveys |
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| 209 | FBA Annual General Meeting opening |
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| 210 | Hydrometric report and catalogue 1996 |
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| 211 | Water resource planning : strategic options : preliminary report : May 1991 |
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| 212 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 213 | Macrophyte Plant Identification Guide: A document to support a Training Course for NRA Wessex Region |
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| 214 | Cased caddis |
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| 215 | Herbarium Image: Elodea sp. |
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| 216 | Progress Report December 1992 |
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| 217 | Herbarium Image: Nitella opaca |
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| 218 | Herbarium Image: Potamogeton crispus |
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| 219 | Herbarium Image: Potamogeton gramineus |
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| 220 | Herbarium Image: Potamogeton berchtoldii |
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| 221 | Snapshots of the environment : conserving the land |
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| 222 | An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency |
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| 223 | National Rivers Authority core function strategies |
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| 224 | Herbarium Image: Potamogeton obtusifolius |
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| 225 | Herbarium Image: Elodea canadensis |
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