| Injection Point | Whirley Gill Sink [SD973933] |
|
| Detection Point | Crackpot Cave [SD964954] |
| Tracer | Fluorescein |
| Quantity | 3.5 lb |
| Detection Method | Visual |
| Time | 1 day |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 17/04/1959 |
| Notes | |
| Test credit | |
| References | Myers, J.O. 1963. The major undergound drainage systems in the Yoredale limestones of the Askrigg Block. Northern Pennine Club Journal 2(3) |