| Injection Point | Lost Johns Cave [SD670787] |
|
| Detection Point | Leck Beck Head [SD65948001] |
| Tracer | Artificial flood pulse |
| Quantity | |
| Detection Method | Visual |
| Time | 15 minutes |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 1973? |
| Notes | Dam at Terminal Sump, pulse seens at LBH 15 minutes later |
| Test credit | RRCPC |
| References | Descent 23:17 (1973) |