Blake, J.F. (1888). ‘Map of the Distribution of the Rocks of the Monian System and Associated Rocks in the Island of Anglesey’, b/w printed
Blake, J.F. (1888). ‘Map of the Distribution of the Rocks of the Monian System and Associated Rocks in the Island of Anglesey’, b/w printed fold out map, 1:21,120 scale (3”=1 mile), 21 x 38cm, from ‘On the Monian System of Rocks [in Anglesey, North Wales]’ extract from the Quarterly Journal of the Geological Society. v.44, pp.463-547. Map and text age-toned, clean. In good condition.