http://pec.lib.wvu.edu/record/P176421921Local and joint freight tariff of maximum and minimum weights on bituminous and cannel coal, bituminous coal boulets and briquettes, carloads.Serial issue. Issued as: <em>Coal and Coke Series I. C. C.</em>. no. 2083. "Issued February 28, 1921, Effective April 1, 1921."Baltimore and Ohio Railroad Company.Railroads--Freight--Rates--United States.Baltimore and Ohio Railroad Company.Coal transportation--United States.Coal mines and mining--United States.Tariff on freight cars--United States.14256