| Injection Point | Corner Sink [SD675805] |
|
| Detection Point | Junction below pitch in Trident Passage [] |
| Tracer | Fluorescein |
| Quantity | 2 ounces |
| Detection Method | Visual |
| Time | 30 minutes |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 28/01/1951 |
| Notes | |
| Test credit | NPC |
| References | Caverns of Upper Easegill:9,20 (1952) |