Posts Tagged ‘MO’:

2024-01-20 Subtropolis – 55 Million Sq.Ft. Salt Mine & Underground Storage Facility

Business geology Government Agencies newsmedia Other Off Topic Security and Safety service video
on January 20th, 2024 by - No Comments

Subtropolis is 1100 acres underground cave left over after the salt was mined. https://www.facebook.com/reel/302691279431108?mibextid=zAoTV8&s=yWDuG2&fs=e

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