Michigan Is Home To The Largest One These In The Entire World
At 4 miles long, 1 1/2 miles wide and covering 8,024 acres it's easy to see why Michigan is home to largest one of these in the world.
limestone
Mining Explosion on Drummond Island Registers 2.7 on Richter Scale
It's been a couple of years since Michigan experienced an earthquake, but a mining explosion on Drummond Island came close. The explosion registered 2.7 on the Richter scale.