Ireland sheet memoir 166, (Clonmel) 1858. Descriptions - Sheet 45 SE - illustrating part of the Maps of the GSI. Very good condition.
Ireland sheet memoir 166, Data and Descriptions to accompany Quarter Sheet 45 S.E. of the Maps of the Geological Survey of Ireland. 1858. First edition. 28pp. Paperback. Top and base of spine beginning to split. Manuscript no. 166 at top centre of cover. In little used good to very good condition.Geological map 166 is titled Clonmel and covers the same area as sheet 45 SE. Between 1858 and 1860, the sheet numbering system was revised from quarters of larger notional numbered sheets to a unique number system counting from north to south in rows and west to east in columns. The earlier numbering system was never completed.