Home/Solution Concepts for Mining and Geomechanical Challenges Involved in Safe Long-Term Closure of the Saale Shaft in the Teutschenthal Mine/SBN_02_Schacht_Saale_Mehrbarrierensystem_2 SBN_02_Schacht_Saale_Mehrbarrierensystem_2 1 min read · 500 views