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• Styrofoam beads are shown being blown in between two layers of plastic panels in an efficient solar greenhouse built for a school in Albuquerque, New Mexico..., 04/1974

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 5 favorites
  • 9,521 views
  • Date taken: 1974-04
  • Date uploaded: 2012-04-10
  • Tags: usnationalarchives, documerica, environmentalprotectionagency, boydnorton, nara:arcid=555304
  • Visibility: public