Quarries, Mines & Holes (116)

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  Very Nice Ices — Blue Fluorite

  May 5, 2025

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  Orpiment — a crown of “King’s Yellow” thorns

  May 5, 2025

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  Huge Rainbow Elbaite

  May 4, 2025

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  Hot Rock Geothermal — from outer space to inner space

  November 22, 2024

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  A Surreal Modern Stonehenge

  November 8, 2021

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  The Roden Crater Telescope

  November 8, 2021

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  Inverted Perspective

  November 8, 2021

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  Escher’s Stairway to Heaven

  November 8, 2021

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  South Portal of Roden Crater

  November 8, 2021

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  Just a Boring Face

  March 5, 2021

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  The Vegas Loop with The Boring Company

  February 4, 2021

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  Going underground — and under water — today in Vegas with The Boring Company 🌚

  February 4, 2021

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  Tunnel Art in Tunnels

  February 4, 2021

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  The Vegas Underground Movement

  July 22, 2020

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  We have Wormsign

  June 15, 2020

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  The new TBM at The Boring Company

  June 22, 2019