Railroads. Freight [and passenger] service operating statistics of class 1 steam railways in United States, compiled from 141 reports of freight service statistics representing 148 railways [and from 137 reports of passenger service statistics representing 144 railways] (switching and terminal companies not included), July 1934 and 1933 [and 7 months ended with July 1934 and 1933; prepared in] Bureau of Statistics.

Tools