The Carthage Underground is a collection of marble quarries in Carthage, Missouri, most of which is owned by Americold. Americold  holds  of the quarry, much of which is occupied by warehouses or factories, primarily for food storage. The total area of the underground is difficult to trace, but is rumored to stretch as far as Joplin, Missouri (roughly 20 miles (30 km) from Carthage).
The Carthage Underground includes marble quarries in Carthage, Missouri. Americold controls a large portion of these areas, which are primarily used for warehouses or factories related to food storage. The total underground space is uncertain but reportedly extends as far as Joplin, Missouri (about 20 miles from Carthage).