When did Underground Marvels Season 1 Episode 7 air?
Underground Marvels Season 1 Episode 7 aired on December 5, 2019.
Underground Marvels
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
Season 1 · Episode 7
Treasures of the Lost Mine
Dec 5, 2019·45m
Caverns hidden deep inside a remote mountain are home to a precious mineral found nowhere else on earth, and experts and treasure hunters use cutting-edge tech to follow rumors of a mysterious long-lost mine in search of a payday.
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Direct answers for episode-level questions and details.
How long is Underground Marvels Season 1 Episode 7?
This episode runs for approximately 45 minutes.
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