"Union Oil Company of California Bulletin," Volume 5, No. 4, June 1925. Published monthly by the Union Oil Company in Los Angeles, the magazine features articles on standardization in oil fields, bus tours on the Pullman coach and Jitney bus, Major Burnham, oldest inhabitants of Columbia and roads in Shanghai. It also includes organization news and stock figures. Articles are illustrated with photographs. The publication is in good condition, rusted staples.