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Injection Point | Aylburn Mine Cave [NY728498] |
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Detection Point | Impenetrable rising on east bank of Alders Gill [NY69255145] |
Tracer | Fluorescein |
Quantity | 0.25kg |
Detection Method | Visual |
Time | 16 hours |
Distance | |
Average Velocity | |
Depth |
Date | 18/01/1992 |
Notes | Water conditions average to low. River Tyne turned green and rising found by walking upstream |
Test credit | Paul Monico card index |
References |