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Plymen, G.H. (1932). The Geological Structure of Guernsey [Channel Islands], offprint from La Societe Guernesiaise
Plymen, G.H. (1932). The Geological Structure of Guernsey [Channel Islands], offprint from La Societe Guernesiaise (formerly the Guernsey Society of Natural Science and Local Research), v.11, pt.3, pp.301-318 + 1pg of b/w sketch map. Pale blue paper covers, staples rusted. Text clean but age-toned. back cover with repaired tears. In fair to good condition.