The recent collapse of a mine tailings dam in southeastern Brazil has already resulted in 134 fatalities, leaving an estimated 300 people still missing, according to rescue workers....
...Tailings dams are some of the largest human-made structures on earth....
....This failed upstream dam construction method is now being proposed for Aquila’s tailings dam at the Back Forty project next to the Menominee River which eventually drains into Lake Michigan, providing drinking water to millions in the Upper Midwest....
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- - Volume: 7 - WEEK: 7 Date: 2/11/2019 8:38:17 AM -