Ohio salt miners relishing harsh winter weather
It's been a tough winter for many across the U.S., but a group of Ohio salt miners don't mind the business that's been keeping them working around the clock. Jim Axelrod reports.
TechnologyLast
It's been a tough winter for many across the U.S., but a group of Ohio salt miners don't mind the business that's been keeping them working around the clock. Jim Axelrod reports.