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Portsdown is a 69.1-hectare (171-acre) biological Site of Special Scientific Interest on Portsdown Hill, on the northern outskirts of Portsmouth in Hampshire.
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interest chalk hampshire 69 biological site special scientific location portsmouth 1-hectare 171-acre hill northern outskirts linear south-facing escarpment rich grassland
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Portsdown | Area | 69.1 hectares (171 acres) | 1.00 | infobox |
| Portsdown | Area of search | Hampshire | 1.00 | infobox |
| Portsdown | Grid reference | SU 640 065 | 1.00 | infobox |
| Portsdown | Interest | Biological | 1.00 | infobox |
| Portsdown | Location map | Magic Map | 1.00 | infobox |
| Portsdown | Notification date | 1984 | 1.00 | infobox |
| Portsdown | is a | 69.1-hectare | 0.90 | text |
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