Hewer, R.E., 1988. The Kelton and Knockmurton Mines, 1852-1923. Monograph of the Northern Mines Research Society, British Mining No.36, p.73.
List of Mines 1885-1888.
List of Mines 1918.
Moon, J., 1969. The history of coal mining in the parishes of Distington and Moresby (1614-1880) West Cumberland. The Northern Cavern and Mine Research Society Memoirs 1969, p.36.
Or: Moresby Colliery Oatlands Pit. Moresby Colliery Outlands Pit.
See also: Moresby Colliery. Moresby Coal Company Ltd.