Local, joint and proportional freight tariff applying on coal, bituminous and cannel, carloads ... from points in the Gauley and West Virginia Regions … to stations on the Baltimore and Ohio Railroad Company (east of the Ohio River to Cumberland, Md., inclusive), and the Wheeling Terminal Railway Company, (named on pages 6 and 7 of tariff and herein.), subject to rules and conditions of tariff unless otherwise provided.