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• EPA's helicopter surveying the Colorado River, May 1972

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 7 favorites
  • 10,939 views
  • Date taken: 1972-05
  • Date uploaded: 2012-05-02
  • Tags: nara:arcid=548899, usnationalarchives, environmentalprotectionagency, documerica, cockpit
  • Visibility: public