Corallian Limestone which outcrops on the hills surrounding the Vale of Pickering runs across the region .
This appears as an aquifer in Kirkdale swallowing most of the water from Hodge Beck , which reappears further downstream .
Corallian Limestone which outcrops on the hills surrounding the Vale of Pickering runs across the region , and this appears as an aquifer in Kirkdale swallowing most of the water from Hodge Beck , which reappears further downstream .