geothermal-installation

Published 08/15/2011 at 606 × 411 in Michigan towns dig deep to reduce energy costs

Workers drill a geothermal bore hole some 500 feet deep in Wyandotte, Michigan. (Photo courtesy Wyandotte Municipal Services)

Workers drill a geothermal bore hole some 500 feet deep in Wyandotte, Michigan. (Photo courtesy Wyandotte Municipal Services)

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