Perceptions about the status of the work of the Schantung-Bergbau-Gesellschaft in Schantung with drawings of the mine work, coal field and photos of the catch shaft (Evervat Nr. 22) Zur Zwischenablage hinzufügen BArch, RM 3/7078 Akt(e) 1904 Teil vonFederal Archives (Archivtektonik) In: Measures for economic development and development Reichsmarineamt