An inflated polyethylene greenhouse serves as the entrance to the office at the University of , 04/1974.

---

Size: 1167px × 1713px
Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., agency, archives, boyd, boydnorton, documerica, environmental, environmentalprotectionagency, historic, history, nara:arcid=555371, national, norton, protection, usa, usnationalarchives