Olin-Mathieson Plant Emits Sulphur Fumes, Lake Charles (Calcasieu Parish, Louisiana, United States), June 1972. Photo: Marc St. Gil.
Source: Documerica/U.S. National Archives/flickr

Olin-Mathieson Plant Emits Sulphur Fumes, Lake Charles (Calcasieu Parish, Louisiana, United States), June 1972. Photo: Marc St. Gil.

Source: Documerica/U.S. National Archives/flickr