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 149 reports of passenger service statistics representing 169 railways (switching and terminal companies not included). Apr. 1926 and 1925 [and 4 months ended with Apr. 1926 and 1925; prepared in] Bureau of Statistics.

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