| Injection Point | Upper Gordale Beck by the footbridge [SD911655] |
|
| Detection Point | Springs below Gordale Scar [SD91456381] |
| Tracer | Ammonium sulphate |
| Quantity | 7cwt |
| Detection Method | Nesslers Reagent |
| Time | |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 26-08-1899 |
| Notes | Very low flow - gorge dry |
| Test credit | |
| References | Howarth, J. H. et al. 1900. The Underground Waters of Northwest Yorkshire, part 1, The Sources of the River Aire. Proceedings of the Yorkshire Geological and Polytechnic Society 14 (Part 1) |