NOTE: THIS DATA FILE WILL CHANGE! To improve accessibility of data for all users, we will convert this file from a text format to an html table by the end of June 2024. Title: Unserviceable Locomotives Assigned to Freight Service, Class I Railroads for United States Series ID: M0164AUSM481NNBR Source: National Bureau of Economic Research Release: NBER Macrohistory Database (Not a Press Release) Seasonal Adjustment: Not Seasonally Adjusted Frequency: Monthly Units: Number of Locomotives Date Range: 1920-02-01 to 1922-06-01 Last Updated: 2012-08-16 11:04 AM CDT Notes: Daily Averages Are Used. Source: Interstate Commerce Commission, Freight And Passenger Service Operating Statistics Of Class I Steam Railways In The United States. This NBER data series m01264a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html. NBER Indicator: m01264a DATE VALUE 1920-02-01 7730 1920-03-01 7609 1920-04-01 7957 1920-05-01 7258 1920-06-01 7032 1920-07-01 7153 1920-08-01 6931 1920-09-01 6936 1920-10-01 6894 1920-11-01 7267 1920-12-01 7425 1921-01-01 8127 1921-02-01 8149 1921-03-01 7792 1921-04-01 7915 1921-05-01 7931 1921-06-01 7809 1921-07-01 7928 1921-08-01 7893 1921-09-01 7784 1921-10-01 7728 1921-11-01 7875 1921-12-01 7900 1922-01-01 7925 1922-02-01 7923 1922-03-01 7812 1922-04-01 7774 1922-05-01 7584 1922-06-01 7151