History of Pittsburgh - Early 20th Century

Early 20th Century

By 1911, Pittsburgh had grown into an industrial and commercial powerhouse:

• Nexus of a vast railway system, with freight yards capable of handling 60K cars
• 27.2 miles (43.8 km) of harbor
• Yearly river traffic in excess of 9M tons
• Value of factory products more than $211M (with Allegheny City)
• Allegheny county produced, as percentage of national output, about:
  • 24% of the pig iron
  • 34% of the Bessemer steel
  • 44% of the open hearth steel
  • 53% of the crucible steel
  • 24% of the steel rails
  • 59% of the structural shapes