Ackerman Holy Grail 1
2:34
Added: 2 years ago
From: cgriffith7
Views: 1,613
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  • Great video!...now many people can enjoy and learn about nature and cave eco systems. What a learning tool for the many thousands to visit this cave and a learning tool for the drilling contractors.

    I hope to visit the site one day!

    pthein 2 years ago

  • Cool!! I enjoyed seeing what the BOTTOM of a tricone looks like as it drills.

    TheinBomb 2 years ago 3

  • you suck, way to destroy nature, you ought to retreat.

    arcturuscreations 2 years ago

  • "destroy"??? Couldn't be more off-base.

    TheinBomb 2 years ago 2

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