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Historical sizes of railroads : ウィキペディア英語版 | Historical sizes of railroads
== North America ==
By 1948, there were 14 railroads in North America with more than 1000 locomotives in service each. Twelve were located in the US and two were in Canada. The total number of steam locomotives and the number of route miles for each railroad in 1948 are given by Bruce (1952). Bruce (1952) also reports that by the end of 1949 a total of approximately 29,000 steam locomotives were left on Class I railroads in the United States.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Historical sizes of railroads」の詳細全文を読む
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