Seventy-five years ago this October, residents in the Mon River mill town of Donora noticed something wrong with the air, something different from the typical steel-industry smog that characterized the region at the time. The nearby U.S. Steel Donora Zinc Works had released two dangerous gases, hydrogen fluoride and sulfur

Related Keywords

Donora , Pennsylvania , United States , America , John Haer , Mandy Mcphee , Brian Charlton Sept , Smog Museum , Battle Of Homestead Foundation , Donora Historical Society , Mon River , Donora Zinc Works , Death Fog , Clean Air , Pennsylvania Mill Town , Brian Charlton , Homestead Foundation President John , Clean Air Act , ,