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Wakeham, Portland.
| NGR: | SY 6890 7090 |
| WGS84: | 50.53704, -2.44021 |
| Length: | 15 m |
| Depth: | Not recorded |
| Altitude: | Not recorded |
| Tags: | Cave, Lost |
| Registry: | mcr-d |
Suckthumb Quarry. Un-inspiring fissure named self-deprecatingly by its "Portland Independent Speleological Society" discoverers.
Alternate Names: None recorded.
Notes: Mass-movement (Gull) cave. Lost
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