1. Mail-trains. Schedule of mail trains, no. 450, Mar. 31, 1925, 3d division, Railway Mail Service, comprising District of Columbia, Maryland, North Carolina, Virginia, and West Virginia (except peninsula of Maryland and Virginia). Bookmark Corporate/Agency Authors: Railway Mail Service, Equipment and Supplies Division, and Post Office Department Publisher: Railway Mail Service Date: 1925 SuDoc number: P 10.12/3:450