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Keywords from Image Description:
CITIZENS OF ARLINGTON VIRGINIA ARE WARNED TO AVOID ALL CONTACT WITH THE POLLUTED POTOMAC RIVER. THIS SIGN ADVISES... NARA . Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Calonius Erik Photographer File CITIZENSOFARLINGTON VIRGINIAAREWARNEDTOAVOIDALLCONTACTWITHTHEPOLLUTEDPOTOMACRIVER