Trace #358: Gaping Gill (Gaping Gill)
Locations
 |
Injection Point | Gaping Gill Main Shaft [SD751727] |
 |
Detection Point | Not detected [] |
Methodoloy
| Tracer | Chaff |
| Quantity | Not known |
| Detection Method | Not detected |
Results
| Time | Not detected |
| Distance | |
| Average Velocity | |
| Depth |
Test Details
| Date | 19th Century |
| Notes | |
| Test credit | T. McKenney Hughes |
| References | Craven Pothole Club Journal 3(4):183 (1964) |