Photo Credit: Marius Faust, Eyeem/Adobe
This is the link to the article "Mining Engineering Hit a Roadblock" in Canadian Mining Journal. See CMJ November 2022 pages 39 and 40: https://www.canadianminingjournal.com/digital-edition/november-2022/
Or
https://www.canadianminingjournal.com/featured-article/mining-engineering-hit-a-roadblock/