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• Solar heating panels in the background are used to heat the swimming pool shown at a home outside of Tucson, Arizona, 04/1974

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
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  • 6,975 views
  • Date taken: 1974-04
  • Date uploaded: 2012-04-10
  • Tags: usnationalarchives, documerica, environmentalprotectionagency, boydnorton, nara:arcid=555344
  • Visibility: public