https://thenarwhal.ca Deep Dives, Cold Facts, & Pointed Commentary en-US Copyright 2026 The Narwhal hourly 1 https://thenarwhal.ca/teck-resources-castle-mountain-mine-federal-review-announced/ Thu, 20 Aug 2020 00:27:00 +0000 https://thenarwhal.ca/?p=21412 Federal decision comes on the heels of new research from the U.S. Geological Survey that will help inform selenium guidelines to ensure safety of fish in cross-border lake Ainslie Cruickshank News B.C. coal Elk Valley mining Selenium Teck Resources Teck Elk Valley mines waste rock