Highsmith, Carol M., 1946- photographer. still image Digital photographs Color 2010-2020. gmgpc 2019-06-29. eng Title, date and keywords based on information provided by the photographer. Mural artist: name not given. Oil City sits in northwest Pennsylvania's oil-rich valleys where the substance was first "struck" in the 1850s. Soon the "rush" was on, and oil wells and refineries shot up across the region. Oil quickly became one of the most valuable commodities in the United States and railroads expanded into Western Pennsylvania to ship petroleum to the rest of the country Forms part of Carol M. Highsmith's America Project in the Carol M. Highsmith Archive. America Mural Train murals Oil boom United States Pennsylvania Oil City. Carol M. Highsmith Archive. https://hdl.loc.gov/loc.pnp/highsm.58582 No known restrictions on publication.