Map of Austria - Steiermark Geological Map, 1921. Scale=1:300,000. Geology, rock types of Steiermark (state), Austria (in German)GeoTIFFee9e987b-e17a-49df-87a9-47f0009c1166gerF. HeritschPublicMap of Austria - Steiermark Geological Map, 1921MapsAustria1921University of Maryland