EPISODE · Sep 9, 2025 · 4 MIN
Beneath Detroit: The Hidden World of Salt Mines
from Hidden in Plain Sight · host Cumulus Media
Sept. 9, 2025 ~ Detroit’s grit runs deeper than its streets—literally. In this episode of Hidden in Plain Sight, Dr. Robert Livernois uncovers the Detroit Salt Mines: a sprawling underground network formed 400 million years ago and still active today. From donkeys living underground to tunnels stretching beneath multiple cities, listen to learn how these hidden mines are a story of geology, industry, and resilience. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use of personal data for advertising.
What this episode covers
Sept. 9, 2025 ~ Detroit’s grit runs deeper than its streets—literally. In this episode of Hidden in Plain Sight, Dr. Robert Livernois uncovers the Detroit Salt Mines: a sprawling underground network formed 400 million years ago and still active today. From donkeys living underground to tunnels stretching beneath multiple cities, listen to learn how these hidden mines are a story of geology, industry, and resilience.
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Beneath Detroit: The Hidden World of Salt Mines
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