Geological survey of Ireland.
Ordnance Survey of Ireland.
Dublin : Ordnance Survey Office,
1875-87
Relief shown by hachures.
Ordnance Survey base sheets.
Hand coloured keys down right hand side of each sheet.
8 Ballycastle -- 35 Dungannon --66 Boyle --  137 Carlow -- 146 Ballingarry --174 Millstreet.
Geology