Diamond Lease Company for the Exploitation of Fiscal Diamond Fields: vol. 5 Add to clipboard BArch, R 1001/1401 File Sept. 1913 - Jan. 1914 Part of Federal Archives (Archivtektonik) Contains among other things: Map of the restricted area in Deutsch-Südwestafrika 1:100 000, Berlin 1913 In: Mining and soil research >> Diamond Lease Company for the Exploitation of Fiscal Diamond Fields