Railroads. Freight and passenger service operating statistics of class 1 steam railways in United States, compiled from 150 reports of freight service statistics representing 159 railways and from 146 reports of passenger service statistics representing 155 railways (switching and terminal companies not included), Feb. 1930 and 1929 [and 2 months ended with Feb. 1930 and 1929; prepared in] Bureau of Statistics.

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