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), Sept. 1934 and 1933 [and 9 months ended with Sept. 1934 and 1933; prepared in] Bureau of Statistics.

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