| Injection Point | Gaping Gill Fell Beck [SD751727] |
|
| Detection Point | Clapham Beck Head [SD754711] |
| Tracer | Fluorescein |
| Quantity | Not known |
| Detection Method | Not known |
| Time | Not known |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 1902? |
| Notes | |
| Test credit | YGPS |
| References | British Caver 50:18 (1968-1969) |