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After finding metal flakes in the core drilling spoils, from around 60ft below the top of the Mesa. Travis scans them with a portable XRF machine to to see the elementing composition makeup. Then there is a catastrophic failure of the core drill rig! Snippet from Season 7, Episode 8 "Rocket Men" Visit the History Channel website below for more info and content! www.history.com www.history.com/shows/the-secret-of-skinwalker-ranch