Railroads. Freight and passenger service operating statistics of class 1 steam: railways in United States, compiled from 150 reports of freight service statistics representing 170 railways and from 145 reports of passenger service statistics representing 165 railways (switching and terminal companies not included), Sept. 1926 and 1925 [and 9 months ended with Sept. 1926 and 1925; prepared in] Bureau of Statistics.

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