Account of the Strata of Northumberland and Durham As Proved by Borings and SinkingsNorth of England Institute of MiningInbunden380 kr
Account of the Strata of Northumberland and Durham As Proved by Borings and SinkingsNorth of England Institute of MiningHäftad272 kr
Coal-fields of Nova Scotia [microform]John Rutherford, North of England Institute of MiningHäftad177 kr