A group of former military elites set out to explore an uncharted abyss, not knowing their worst nightmare is waiting for them deep beneath the...
Ralph Burton is a miner who is trapped for several days as a result of a cave-in. When he finally manages to dig himself out, he realizes that all of...
A couple of youngish adventurers go into the wilderness of British Columbia in search of a lost colleague. Their plane crashes and they find...
A series of strange accidents plaguing a city located near the mine. Two people were pulled through the funnel, which formed after the collapse of...
A party of tourists -- including a state senator, a park ranger who was her one-time lover, a cantankerous professor, and an escaped convict -- are...
Based on the true story of coal miners who became trapped underground in a cave-in on Christmas Eve, 1951.
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