Pittsburgh through the decades

Waving of flags and the honking of auto horns greeted the news that the steel strike at Jones & Laughlin Mills had been called off on May 14, 1937. Here are some of the workers gathered at the entrance to the Jones & Laughlin plant on the South Side. (Post-Gazette Archives)
Pouring steel from Jones & Laughlin electric furnaces at South Side Works on Sept. 21, 1979. (Darrell Sapp/Post-Gazette)
The Super Moon sets behind the Koppers Building with the U.S. Steel Tower to the left and the Gulf Tower to the right Nov. 14, 2016. (Darrell Sapp/Post-Gazette)
The rolling mill at Aliquippa Works of Jones & Laughlin Steel on Nov. 9, 1989. (Ross Catanza/The Pittsburgh Press/Post-Gazette Archives)
Columns of exhaust coming from U.S. Steel’s Edgar Thompson Works towers over the community of Braddock, as it reflects in the Monongahela River Dec. 3, 2013. (Darrell Sapp/Post-Gazette)
Jones & Laughlin Steel Corporation Plants at South Side Works on December 27, 1981. (Darrell Sapp/Post-Gazette)