Click table column heading to sort
| Test from | Result | by | type | date | time |
|---|---|---|---|---|---|
| Pant Cefn-y-Ffordd Sink | ? | Morgan | OB | ||
| Bodwigiad Pot | - | Morgan | OB | 1999 | |
| Ogof Fechan | ? | ||||
| Ogof Fawr | + | sawdust | 1910 | ||
| Ogof Fawr | + | ? | fluorescein | 1973 | |
| Stream end | + | ||||
| Boundary Wall Sink | + | Morgan | OB | 1999 | <3 days |
| Onllwyn Forest Sink E | ? | Morgan | OB | 1999 | |
| Mynydd Y Glog Shakehole sink 2 | + | Morgan | OB | 1999 | <18 hrs |