Battle Rio San Gabriel Los Angeles California 1848 Mexican-American battle planSketch of the Passage of the Rio San Gabriel, Upper California by the Americans, Discomfiting the Opposing Mexican Forces. January 8th, 1847. (Old Prints, 19th Century Prints, Americana, California, Rio San Gabriel, Los Angeles, Mexican American War). Issued 1848, Washington, D. C., Litho. Baltimore by E. Weber & Co. Early map of this early key Western U. S. battle between Mexico and the U. S. from the Emory Expedition. Clean example, paper uniformly