| Injection Point | Gaping Gill Fell Beck [SD751727] |
|
| Detection Point | Clapham Beck Head [SD754711] |
| Tracer | Ammonium sulphate |
| Quantity | 2 cwt 11.30, 2 cwt 14.30 |
| Detection Method | Not known |
| Time | 5 days |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 28/04.1900 |
| Notes | Detectable until 06/05/1900 |
| Test credit | YGPS |
| References | Craven Pothole Club Journal 2(1):28 (1955), Craven Pothole Club Journal 3(4):182 (1964) |