Author: AKKERSDIJK, M.E.,
Title: Caldera of the Tengger-Mountain [Java]. [Eerste druk; First edition].
Description: Buitenzorg, Archipel, 1929. Small 8°., original printed wrappers, stapled. 12pp. 2 diagrams in text of which one featurings development of the caldera, fold sketchmap of Tengger Mountain (bound upside down). [Fourth Pacific Science Gongress Java 1929, Excursion E 2]. English language excursion guide distributed amongst participating scholars attending the Fourth Pacific Science Congress Java 1929. Good copy.

Keywords: geology volcanology volcanoes science research excursion guide congress caldera history research colonialism indonesia southeastasia