Peile, Williamson, (1831), ’Description of a Group of Dykes, termed Riders, discovered in Whitehaven Colliery’, extract from Trans. Nat. Hist. Soc. Northumberland, Durham & Newcastle . v1,. Trans Northum, Durham, Newcastle.
Peile, Williamson, (1831), ’Description of a Group of Dykes, termed Riders, discovered in Whitehaven Colliery’, extract from Transactions of the Natural History Society of Northumberland, Durham and Newcastle upon Tyne,...