Styrofoam beads are shown at the base of plastic panels in an efficient solar greenhouse built for a school in Albuquerque New , 04/1974

Size: 1163px × 1719px
Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., agency, archives, boyd, boydnorton, documerica, environmental, environmentalprotectionagency, historic, history, nara:arcid=555305, national, norton, protection, usa, usnationalarchives