4 ms·
FWIW, helium is extracted by drilling. I guess if you squint hard enough, a borehole is just a mine with a very small diameter :) > Minnesota has turned very a
by quickthrowman 3y ago
FWIW, helium is extracted by drilling. I guess if you squint hard enough, a borehole is just a mine with a very small diameter :)
> Minnesota has turned very anti-mining in the past several years
With good reason. The Superior National Forest and Boundary Waters Canoe Area are more valuable to us than any copper or nickel deposits.
Once a tailings pond fails and poisons a watershed, there’s no going back.