1. Schedule of mail routes, no. 190, Oct. 13, 1949, 15th division, Railway Mail Service, comprising Pennsylvania and main line of Erie Railroad west of Salamanca, N. Y., main lines of Baltimore & Ohio R. R. and Pennsylvania R. R. System west of Pittsburgh, Pa., and such collateral lines as may be designated. Bookmark Corporate/Agency Authors: Surface Postal Transport Division and Post Office Dept. Publisher: Surface Postal Transport Division Date: [Oct. 31, 1949.] SuDoc number: P 10.12/15:190