Portlock, J.E. (1843). Report on the Geology of the County of Londonderry and of parts of Tyrone and Fermanagh
Portlock, J.E. (1843). Report on the Geology of the County of Londonderry and of parts of Tyrone and Fermanagh, London: Longman et al. 1st edition. xxxii + 784pp + 48 plates and maps. Modern plum buckram bound hard covers with gilt lettering to spine. Original presentation bookplate to Bath Royal Literary and Scientific Inst. by Wm Whitaker pasted in. Cover unworn, binding slightly loose due to substantial thickness of text. Text age-toned but clean, pages untrimmed and mainly uncut. Foldout, 1:126,720 scale, hand coloured map of entire report area, 5 hand-coloured fold out sections, 38 fossil plates, 3 fold out landscape panoramas and 1:4800 mine plan of Drumglass Coalfield. Leading edge of some folded sheets have minor tears where they extend beyond the mass of the text pages but o/w in very good condition.