"Union Oil Company of California Bulletin," Volume 2, No. 23, January 1923. Published monthly by the Union Oil Company in Los Angeles, the magazine features articles on Imperial Valley's 12,000 acre cotton plantation and oil carriers during the war, Redondo's oil fields. It also includes organization news and stock figures. Articles are illustrated with photographs. The publication is in good condition, rusted staples, center sheet detached, and torn, ragged spine at bottom.