Mine 9DVD - 2020
Two miles into the earth, nine Appalachian miners struggle to survive after a methane explosion leaves them with one hour of oxygen.
Publisher: [United States] : 123 Go Films, 
Characteristics: 1 videodisc (83 min.) : sound, color ; 4 3/4 in. digital optical NTSC video file DVD video region 1
Alternative Title: Mine nine