2226 | River Foss flood alleviation scheme |
2227 | Demands and resources of water undertakers in England and Wales : preliminary report under Section 143(2)(a) Water Act 1989 |
2228 | Herbarium Image: Circaea x intermedia |
2229 | Hydra, |
2230 | Micrasterias, |
2231 | Herbarium Image: Festuca arundinacea |
2232 | Herbarium Image: Eupatorium cannabinum |
2233 | Spirogyra group, |
2234 | Herbarium Image: Helictotrichon pubescens |
2235 | Phacus, |
2236 | Herbarium Image: Undetermined |
2237 | Herbarium Image: Potamogeton x angustifolius |
2238 | Scenedesmus, |
2239 | Regional water quality monitoring and surveillance programme for 1992 : biological quality assessment of rivers |
2240 | Oscillatoria (Planktothrix), |
2241 | Herbarium Image: Pinguicula lusitanica |
2242 | River Exe catchment management plan : action plan (1996) |
2243 | Herbarium Image: Chara aculeolata |
2244 | Herbarium Image: Huperzia selago |
2245 | The River Cam catchment management plan : annual monitoring report |
2246 | Zygorhizidium |
2247 | Updating of PRAIRIE(tm) Databases |
2248 | Zoospores |
2249 | Tomorrow's water : water resources development strategy |
2250 | Scytonema, |