I. On the Geology of the Coasts of Antrim and Londonderry, and on the Age of the Giant's Causeway; being Observations made in the North of Ireland in the Autumns of 1865 and 1866

T. Smyth
1868 Transactions of the Edinburgh Geological Society  
doi:10.1144/transed.1.1.68 fatcat:fimdm5wjqzhete3b5e42nmgvai