Railroads. Freight and passenger service operating statistics of class 1 steam railways in United States, compiled from 156 reports of freight service statistics representing 167 railways and from 150 reports of passenger service statistics representing 161 railways (switching and terminal companies not included), Feb. 1929 and 1928 [and 2 months ended with Feb. 1929 and 1928; prepared in] Bureau of Statistics.

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