Ratios of empty to loaded freight car-miles by type of car and performance factors for way, through and all trains combined.

APA Citation

United States. Interstate Commerce Commission. Bureau of Accounts. Ratios of empty to loaded freight car-miles by type of car and performance factors for way, through and all trains combined. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.

MLA Citation

United States. Interstate Commerce Commission. Bureau of Accounts. Ratios of Empty to Loaded Freight Car-miles by Type of Car And Performance Factors for Way, Through And All Trains Combined. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off,