Per Cent Serviceable Of Total Freight Locomotives, Class I Railroads

United States
Monthly
Per Cent

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Source

Organisation:The National Bureau of Economic Research
Website:https://www.nber.org
Publication:Production of Commodities
Series:m01252
Download Page:http://www.nber.org/databases/macrohistory/contents/chapter01.html
Download Url:http://www.nber.org/databases/macrohistory/data/01/m01252.db
Period:1920 - 1942
Date Accessed: Tuesday, December 31, 2019