Circa 1910. "Coal barges at confluence of Allegheny and Monongahela rivers at Pittsburgh, Pennsylvania." 8x10 inch  glass negative. View full size.
  BUY PRINT    Circa 1910. "Coal barges at confluence of Allegheny and Monongahela rivers at Pittsburgh, Pennsylvania." 8x10 inch glass negative. | Click image for Comments. | Home | Browse All Photos