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A group of several dozen men dressed in business suits and hats gather on a sidewalk in front of several stores in Oil City.
Credit: From Sketches in Crude Oil, 1896 courtesy the Pennsylvania Historical and Museum Commission
The forerunner of the Titusville Oil Exchange, the men of the "Curbstone Exchange" pose for a portrait in 1870. These businessmen would congregate on Centre Street in Oil City, Pennsylvania to conduct their oil business.