| Injection Point | Lancaster Hole Downstream sump [SD664807] |
|
| Detection Point | Witches cave 120 along Upstream tunnel [SD660799] |
| Tracer | |
| Quantity | |
| Detection Method | |
| Time | ?11 days |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 21/07/1997 |
| Notes | Also positive at Leck Beck Head. |
| Test credit | |
| References | Cordingley, J. 2020. Witches Cave. Cave Diving Group Newsletter 215:12 |