timesofindia.indiatimes.com
In 1948, Oregon buried geothermal pipes beneath a steep section of US 97 to melt three inches of snow an hour; the system operated for nearly 50 years before its iron pipes corroded
In the winter of 1948, a steep stretch of road in Klamath Falls, Oregon, became a test site for geothermal energy. Instead of relying on ploughs, salt or other conventional methods, engineers embedded...