Map of Germany - Geological Map - Zanow (Sianów), 1915. Scale=1:25,000. Topography, geology, rock types for parts of Poland (old Prussia, pre-WW II Germany)GeoTIFF148a0204-931b-4484-a226-cdb4694bee23gerPrussian Geological InstitutePublicMap of Germany - Geological Map - Zanow (Sianów), 1915MapsPoland--Sianów1915University of Maryland