Iamgold’s Letwin, Yamana’s Marrone on future of mid-tier gold miners

The "Mid-Tier Excellence" panel at The Northern Miner'sCanadian Mining Symposium held at Canada House in London, U.K., on May 22, 2019, from left: Peter Marrone, executive chairman of Yamana Gold; Steve Letwin, president and CEO of Iamgold; and panel moderator...