★ 5.8
★ 5.7
★ 6.9
★ 6.3
★ 6.2
★ 7.0
★ 7.3
★ 6.7
★ 6.0
★ 5.5
★ 7.2
★ 6.6
★ 7.6
★ 7.7
9 miners. 2 miles underground. 1 hour of oxygen.
Two miles into the earth, nine Appalachian miners struggle to survive after a methane explosion leaves them with one hour of oxygen.
