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

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110 1 ‡aUnited States. ‡bInterstate Commerce Commission. ‡bBureau of Accounts.
245 1 0 ‡aRatios of empty to loaded freight car-miles by type of car and performance factors for way, through and all trains combined.
260 ‡aWashington, ‡bFor sale by the Supt. of Docs., U.S. Govt. Print. Off.
300 ‡av. ‡bforms. ‡c27cm.
362 0 ‡a1961-62
500 ‡aIssued 1961-62 and 1968 as its Statement no. 3-62 and no. 6-69 and available in this library only in that series (call no.: 385.731 Un3st)
538 ‡aMode of access: Internet.
CID ‡a002137072
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DAT 1 ‡a20210921140708.0 ‡b2023-08-05T17:54:09Z
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