Since 1922, gypsum rock has been carried on a narrow gauge railroad a distance of 27 miles from the quarry to this location where it is milled. Currently the site is owned by the USG Corporation. If you reside in the United States and have drywall in your home, quite possibly it came from here.
Companies - Plants/Factories
Links: www.usg.com
By: AKpilotEMT