Standard Petroleum Refinery, Pittsburg, Pennsylvania c. 1865

"Standard Petroleum Refinery, Pittsburg, Pennsylvania" is a stereoscopic photograph taken by Thomas H. Johnson around 1865. The image captures a view of a large industrial building, likely a petroleum refinery, in Pittsburgh, Pennsylvania. The photograph, typical of the era, shows the building from a street view, with a wooden fence in the foreground and a small street in the center. The image is a valuable historical document, providing a glimpse into the growing industrial landscape of the United States in the mid-19th century.