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Betare Sheet: F4.
Lange, Erich (1889 - 1965) Prof. Dr.phil.; Professor of Fuel Geology 1946 President of the German Geological Survey; Director of the Geological Service of the GDR The estate contains: Excerpts from the file 1957 "Preparation of the commemorative event 10 years StGK (Staatliche Geologische Kommission) (contains among other things: material, elaborations and handwritten notes) Correspondences Personal letter of Gottlieb A. Seberna Handwritten notes among other things from and to geological books, to Cameroon, manuscripts to geological observation in French, German and English. Colonies (e.g. East-Adamaua), excerpts from the journal of the German Geological Society vol. 84(1932), photographs of tree trunks in a basalt stream near Meiganga