Data Refer To Total Time Paid For, Covering Straight Time, Overtime Paid For Pro Rata Rates, Overtime Paid For All Primitive Rates, And Time Paid For But Not Worked. Data Include Switching And Terminal Companies Through 1932; Thereafter Exclude Them. Data For July-September 1922 Are Effected By A Strike. Source: Interstate Commerce Commission, Wage Statistics Of Class I Steam Railroads In The United States.
This NBER data series m08150 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08150
Release: NBER Macrohistory Database
National Bureau of Economic Research, Man-Hours Paid For In Maintenance of Equipment and Stores, Class I Railroads for United States [M08150USM420NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M08150USM420NNBR/, September 3, 2015.