Mining and Soil Research in German South West Africa. - Individual cases: vol. 4 Zur Zwischenablage hinzufügen BArch, R 1001/1279 Akt(e) März 1907 - Febr. 1909 Teil vonFederal Archives (Archivtektonik) Contains among other things: Annual Report for 1906 of the Zentrale für Bergwesen GmbH zu Frankfurt/Main In: Mining and soil research >> Mining and Soil Research in German South West Africa. - isolated cases
