FILE PHOTO: Visitors pass a logo of Teck Resources Ltd mining company during the Prospectors and Developers Association of Canada (PDAC) annual convention in Toronto, Ontario, Canada March 4, 2019. REUTERS/Chris Helgren
FILE PHOTO: Visitors pass a logo of Teck Resources Ltd mining company during the Prospectors and Developers Association of Canada (PDAC) annual convention in Toronto, Ontario, Canada March 4, 2019. REUTERS/Chris Helgren