Six Caterpillar Natural Gas engines at the Banks Station of the Sohio Petroleum Company, nine miles west of Edmond, Oklahoma. Photograph by Harry Main.
Click tabs to swap between content that is broken into logical sections.
This material may be protected by Copyright Law (Title 17, U.S.C.). We welcome you to make fair use of the content accessible on this website as defined by copyright law. Please note that you are responsible for determining whether your use is fair and for responding to any claims that may arise from your use. When using an item from the Levorsen Collection, proper credit should be given: Levorsen Collection/Tulsa City-County Library.
