Kitty's Drift, an underground railway was apparently built from East Kenton Colliery to staiths on the Tyne in 1770. A subterranean tunnel and the colliery ("Kenton E.t") is shown on Lambert's map of 1807. The colliery is shown as a "pit heap" on a plan of East Kenton Estate of 1841 and "pit" on Bell's map of 1847. On Oliver's map of 1851 it is shown linked to Old Engine Pit by a road or wagonway. On the 25" first edition a shaft is marked. Shown as Old mine shaft and spoil heap on Ordnance Survey second edition. Still shown as an old shaft on the Ordnance Survey of 1941.