Explanatory memoir to accompany sheets 76 and 77 of the maps of the geological survey of Ireland, including the country round Elphin, Frenchpark, and Ballaghadereen, in the counties of Roscommon and Mayo ... /
Wilkinson, S. B.
Cruise, Richard J.
Dublin : For H.M.S.O.,
1874.
JA: S.B. Wilkinson and Richard J. Cruise.