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• Citizens of Arlington, Virginia Are Warned to Avoid All Contact with the Polluted Potomac River. This Sign Advises Immediate Medical Attention If Prolonged Exposure Occurs. 08/1972

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 2 comments
  • 9 favorites
  • 26,287 views
  • Date taken: 1972
  • Date uploaded: 2009-07-29
  • Tags: usnationalarchives, environmentalprotectionagency, documerica, virginia, health, sailboat, sail, 1972, noswimmiing, icons, sign, noskiing, nodiving, alexandria, nara:arcid=544971, arlington
  • Visibility: public