Date:
1930
 
Category:
Geothermal
 
Location:
United States  
 
Event:
The first commercial greenhouse use of geothermal energy is undertaken in Boise, Idaho. The operation utilizes a 1000-foot well drilled in 1926. In Klamath Falls, Charlie Lieb develops the first down-hole heat exchanger (DHE) to heat his.

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