| Injection Point | Silverdale Gill Pot [SD839704] |
|
| Detection Point | Brants Gill Head [SD812729] |
| Tracer | Fluoroscein |
| Quantity | Not known |
| Detection Method | Visual |
| Time | 2.5 days |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 1950s |
| Notes | |
| Test credit | NPC |
| References | Myers, J.O. 1963. Some thoughts on Douk Gill Scar. Northern Pennine Club Journal vol2 No.3; BPC Bulletin 5(7):2 (1970) |