The Golden Triangle of Pittsburgh reached its zenith as a central business district and industrial powerhouse between 1900 and 1945. This period saw the city, situated at the confluence of three major rivers, become the nation's industrial heart, driven by titans of industry like Andrew Carnegie and George Westinghouse. The book explores the immense wealth, commercial development, and industrial might that defined Pittsburgh during these transformative years, utilizing postcard views to illustrate its power and beauty.

This book offers a visual chronicle of Pittsburgh's peak industrial era, drawing on historical postcard views to showcase the city's power and wealth. The content focuses on the Golden Triangle and the industries that made Pittsburgh the 'forge of the nation.' The collection highlights the commercial development and the impact of industrialists during the period from 1900 to 1945. It serves as a pictorial record of a significant chapter in American urban and industrial history.