1. Permian and Triassic;Arthurton,1978
2. THE ST. BEES EVAPORITES--A CARBONATE-EVAPORITE FORMATION OF UPPER PERMIAN AGE IN WEST CUMBERLAND, ENGLAND
3. Arthurton R. S. Wadge A. J. 1981. Geology of the country around Penrith. Geological Survey of Great Britain Memoir, England and Wales, Sheet 24.
4. Burgess I. C. Holliday D. W. 1979. Geology of the country around Brough-under-Stainmore. Geological Survey of Great Britain Memoir, England and Wales, Sheet 31.
5. Reservoir geology of the Morecambe Field;Bushell,1986