| Injection Point | Boundary Pot [SD679808] |
|
| Detection Point | Thackereys Passage [] |
| Tracer | Fluorescein |
| Quantity | 3 ounces |
| Detection Method | Visual |
| Time | 3 hours |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 24/03/1951 |
| Notes | Fairly heavy flow |
| Test credit | NPC/RRCPC PMCI |
| References | Caverns of Upper Easegill page 11, 21 |