Heddle, H. Forster (1879). Mineralogical Chart and Geological Map of the Shetland Islands. Truro: Lake & Lake
Heddle, H. Forster (1879). Mineralogical Chart and Geological Map of the Shetland Islands. Truro: Lake & Lake Steam Lith. for the Mineralogical Society of GB & Ireland. Scale 1:150,000 approx. . Hand-coloured lithograph 84 x 59cm, dissected, mounted on linen and folded to 22 x 14cm within light blue card covers with cloth hinge, an extra number of the Mineralogical Magazine and Journal of the Mineralogical Society of GB and Ireland, v.2, no 12, includes ‘Brief Description of the Map of Shetland’, 3pp. Cover moderately worn and soiled. Map is clean and in very good condition.