1967 Press Photo air pollution smoke Ford factory

Caption: Poof, There Goes PollutionFord Motor Co.'s specialty foundry in Dearborn blackens the sky (left) before wet scrubber type dust collectors are installed. At right, after completion of a $2.2 million air pollution abatement program, the same stacks emit barely visible thin plumes of white smoke.

The front and back of this photograph are pictured below: