• Pittsburgh, Allegheny & Birmingham

    Bird's-eye view of Pittsburgh at the confluence of the Monongahela, in the foreground, and the Allegheny Rivers; Birmingham is in the right foreground and Allegheny is in the distance on the left.

    • Contributor: Krebs, Otto
    • Original Format: Photos, Prints, Drawings
    • Date: 1871
  • View of Pittsburgh & Allegheny

    Bird's-eye view of Pittsburgh, Pennsylvania at the confluence of the Monongahela and Allegheny Rivers; Birmingham, Pennsylvania is in the right foreground and Allegheny is in the distance on the left.

    • Contributor: Krebs, Otto
    • Original Format: Photos, Prints, Drawings
    • Date: 1874