CRAIG, Colo. (AP) — The Cooper family knows how to work heavy machinery. The kids could run a hay baler by their early teens, and two of the three ran monster-sized drills at the coal mines along with their dad.

But learning to maneuver the shiny red drill they use to tap into underground heat feels different. It's a critical part of the new family business, High Altitude Geothermal, which installs that use the Earth’s constant temperature to heat and cool buildings. At stake is not just their livelihood but a century-long family legacy of producing energy in Moffat County.

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