 A 6,300 foot long (1,920 metre) adit has been driven into the Main Vein from near the village of Grey River at approximately 40 metres above sea level.Docking and wharf facilities existed at the Asarco adit but the present conditions are not known.A large government-owned wharf in Grey River is serviced by coastal boat from Burgeo, a coastal port about 40 km to the west.