Evans, John W., (1891), geological map (untitled) of North-East Caithness. Fold-out b/w printed geological map

Evans, John W., (1891), geological sketch map (untitled) of North-East Caithness. Fold-out b/w printed geological map, approx. 1:253,440, 42.5 x 37cm in ‘The Geology of the North-East of Caithness’ privately published monograph, 48pp. Also fold-out b/w ‘Table of the Palaeontological Relations of the Lake Orcadie Beds’. Map, table, and text age-toned, clean. In good to very good condition.