| Injection Point | Various sinks in Step Gill (Birks Fell) [] |
|
| Detection Point | Not detected in Birks Wood Cave [] |
| Tracer | Fluoroscein |
| Quantity | Not known |
| Detection Method | Not detected |
| Time | |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 1968 or 1969 |
| Notes | |
| Test credit | CPC |
| References | CPC Journal 4(4):191 (1970) |