In the second half of 2005, Chelyabinsk Region Subsoil Resources Agency annulled some of the entrails use licenses due to their expiry. Thus, the licenses issued to Yuzniy Rudnik Mine (given to promote exploration and extraction of vein quartz in Tashtybutakskiy deposit), to Miasszoloto JSC (given for alluvial gold mining in Iremelskaya placers), to UralTechnoPlus 2000 Ltd. (given for geological research of barium ore in Khutorskiy lot), to SouyzNefteEcologiya Ltd. (given for geological research of mining and precious metals processing wastes in Soymanovskaya Valley) were canceled.