Explanatory memoir to accompany sheet 27 of the maps of the Geological survey of Ireland
Subtitle: including Magherafelt, Moneymore, Castledawson, Desertmartin, Curran and Ballyronan in Londonderry; Cookstown and Coagh in Tyrone and Toome in Antrim
By: by F. W. Egan ; with paleontological notes by W. H. Baily.
Contributors: Traill, William Acheson.; Egan, Frederick William.
Series: Memoirs of the Geological Survey
Publisher: H.M.S.O
Published: 1881
Place of publication: Dublin
Language: eng
Number of pages: 48