Railroads. Freight and passenger service operating statistics of class 1 steam railways in United States, compiled from 152 reports of freight service statistics representing 163 railways and from 146 reports of passenger service statistics representing 157 railways (switching and terminal companies not included), Sept. 1929 and 1928 [and 9 months ended with Sept. 1929 and 1928; prepared in] Bureau of Statistics.

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