Article Photos: In '72, EPA battled pollution; now it's politics 25/37

  This 1973 photo released by the U.S. National Archives shows contaminated water in a drainage ditch behind the Pittsburgh Glass Company near Lake Charles, Calcasieu parish, La. The image was taken for the then new Environmental Protection Agency's "Documerica" program, 1972-1977, to document subjects of environmental concern. (AP Photo/U.S. National Archives, Marc St. Gil)