2076 | Herbarium Image: Cochlearia officinalis |
2077 | Micractinium, |
2078 | Herbarium Image: Filipendula ulmaria |
2079 | Dinobryon bavaricum |
2080 | Cilate, |
2081 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
2082 | Decommissioning redundant boreholes and wells |
2083 | River Foss flood alleviation scheme |
2084 | Demands and resources of water undertakers in England and Wales : preliminary report under Section 143(2)(a) Water Act 1989 |
2085 | Herbarium Image: Circaea x intermedia |
2086 | Hydra, |
2087 | Micrasterias, |
2088 | Herbarium Image: Festuca arundinacea |
2089 | Herbarium Image: Eupatorium cannabinum |
2090 | Spirogyra group, |
2091 | Herbarium Image: Helictotrichon pubescens |
2092 | Phacus, |
2093 | Herbarium Image: Undetermined |
2094 | Herbarium Image: Potamogeton x angustifolius |
2095 | Scenedesmus, |
2096 | Regional water quality monitoring and surveillance programme for 1992 : biological quality assessment of rivers |
2097 | Oscillatoria (Planktothrix), |
2098 | Herbarium Image: Pinguicula lusitanica |
2099 | River Exe catchment management plan : action plan (1996) |
2100 | Herbarium Image: Chara aculeolata |