Correspondence and date re: Dispatcher's correspondence between Mr. David Myrick of the Treasury Dept. of the Southern Pacific Transportation Co., who sent the Dispatcher's sheets, and Ms. Marion Smith: a. letter to Ms. Smith 12/9/69 promising and identifying dispatches, b. 2nd letter to Ms. Smith 1/28/70 accompanying sheets, c. a five page memorandum "explaining purpose of Dispatcher's Train sheets, describing L.A. Division of Southern Pacific Co., and pointing out some changes in railroad operations in L.A. Division as reflected in Sheets", d. map of L.A. Division (revised Jan. 1, 1954).

Both bundles include records from three stations - L.A., Beaumont, and Mexicali, Baja.