Account of the Strata of Northumberland and Durham As Proved by Borings and SinkingsNorth of England Institute of MiningInbunden378 kr
Account of the Strata of Northumberland and Durham As Proved by Borings and SinkingsNorth of England Institute of MiningHäftad270 kr
Coal-fields of Nova Scotia [microform]John Rutherford, North of England Institute of MiningHäftad176 kr