Explanatory memoir to accompany sheets 39, 40, 51, 52, and Northern portion of 62 of the maps of the geological survey of Ireland, including the country around Belmullet, Bangor, Corick, Belderg, and Portacloy, and the islands of Inishkea, Inishglora, and Duvillaun /
Symes, Richard Glascott.
Traill, W. A.
M'Henry, A.
Dublin : For H.M.S.O.,
1881.