Costa Rica. Williams, Howell (1952). ‘Volcanic History of the Meseta Central Occidental, Costa Rica’, reprinted from U of California Publications
Costa Rica. Williams, Howell (1952). ‘Volcanic History of the Meseta Central Occidental, Costa Rica’, reprinted from U of California Publications in Geological Sciences, v.29, n.4, pp. 145-180 + one foldout b/w map. Paperback, library stamps on cover, otherwise unmarked. In very good condition.