Silver Vein
This object can be found in Hillsbrad Foothills (67), Loch Modan (113), Duskwood (114), Arathi Highlands (321), Alterac Mountains (161), Stranglethorn Vale (8), Westfall (8), The Barrens (6), Wetlands (7), Ashenvale (59), Redridge Mountains (4), Thousand Needles (7), Feralas (1), Badlands (157), Desolace (4), Ghostlands (40), Darkshore (5), Swamp of Sorrows (2), Blackfathom Deeps (1), Silverpine Forest (5), Dustwallow Marsh (2), Stonetalon Mountains (2), The Hinterlands (4) and Burning Steppes (1).