Plymen, G.H. (1951). The Geological Structure of Guernsey [Channel Islands], offprint from La Societe Guernesiaise
Plymen, G.H. (1951). The Geological Structure of Guernsey [Channel Islands], offprint from La Societe Guernesiaise (formerly the Guernsey Society of Natural Science and Local Research), v.15, pt.2, pp.104-118 + 1pg of b/w sections. Pale blue paper covers, staples rusted. Text clean but age-toned. Lower right corner of cover torn off with loss of information. In fair to good condition.