MINESHAFT GEOTHERMAL

AS MINING LOCATIONS GREW UP LITERALLY ON TOP OF MOST UNDERGROUND RESOURCES, MANY OF THE U.P.’S COMMUNITIES ARE ABOVE THE VAST THERMAL RESERVOIRS HEATED BY THE EARTH’S GEOTHERMAL GRADIENT. 

copper_iron_ranges_mapThese reservoirs maintain a steady temperature, no matter how cold it is outside.
Spring Hill, Nova Scotia implemented abandoned minewater geothermal for a hockey rink…an idea that might be popular around here.