|
|||||||||||||||||||||||||||
|
|
![]() Ideally located at the convergence of the Allegheny and Monongahela rivers in Pennsylvania, Pittsburgh developed during the 19th and early 20th century as the nation's preeminent industrial center. Pittsburgh became known as 'Steel City' or 'Smoke City'.
|
||||||||||||||||||||||||||
|
© 2008 www.aviewoncities.com
|
|||||||||||||||||||||||||||