the water evaporated and huge salt deposits were left behind under ground. More than 100 years ago, the deposit was discovered about 1,200 feet below metro Detroit. To get down to the mine ...

The parent company of the so-called “salt city” under Detroit will be acquired ... and nationally for winter road safety. Detroit’s salt mine has been in use since the early 1900s, according ...

so we decided to take a deep dive into the epic salt mines below our feet. According to the Detroit Salt Company, 400 million years ago, ocean water flooded into a large basin, an area known as ...

What does that Detroit salt mine look like anyway ... And this turns out to be the key to understanding why there’s salt under Detroit and none under Chicago: it’s because huge tectonics ...

The salt deposits below Detroit and much of Michigan formed around 400 million years ago (ah, seems like just yesterday), and the salt mines were discovered under the Detroit area in 1895.

Rock salt "comes from all over the world," says Roman. "There are mines all over the United States," notably near Cleveland, under Detroit, and in New York State, Kansas, and Louisiana.

The parent company of the so-called “salt city” under Detroit will be acquired ... and nationally for winter road safety. Detroit’s salt mine has been in use since the early 1900s, according ...