Railroads. Freight and passenger service operating statistics of class 1 steam railways in United States, compiled from 153 reports of freight service statistics representing 173 railways and from 148 reports of passenger service statistics representing 168 railways (switching and terminal companies not included), Feb. 1927 and 1926 [and 2 months ended with Feb. 1927 and 1926; prepared in] Bureau of Statistics.

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