This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Pittsburgh Cleans Air Yet Fights Hidden Smoke
A 1920s smoky Pittsburgh photo recalls a city blanketed in soot. Edward L. Stockton notes progress in removing solid pollution while invisible gases remain a health concern. Since 1949 antismoke laws cover the county, with boilers, mills, and railroad fleets gradually upgrading. The steel industry now has 68 percent open-hearth control, aiming for full coverage by 1970.
MENTIONED IN THIS ARTICLE
Pittsburgh
Edward L. Stockton
Allegheny County
Pittsburg
Stockton
Pitsburg
Pennsylvania
David L. Lawrence