
Colorado drill test finds clean energy pay dirt — 1,000 feet under high school football field
Drillers work on a 1,000-foot deep bore hole to be used for a geothermal heat exchange system for Aspen School District, with the extra depth providing even better energy efficiency. (McKinstry consulting) " data-large-file="https://i0.wp.com/newspack-coloradosun.s3.amazonaws.com...
































































