Acron Verkhnekamsk Potash Company, part of Acron, started mining operations at the Verkhnekamsk potassium-magnesium salt deposit in Perm Krai. As of today, the process of sinking a 320 linear meters long shaft between shafts No. 1 and No. 2 has been completed, and about 10,600 tons of rock have been extracted. Starting underground mining operations is an important...