Wage Rates Are Averages Of Rates Per Hour In 20 Cities On The First Day Of The Month. Source: Engineering News Record, For 1922-1923 Data: Construction Costs, 1937; For 1924-1925: June 30, 1938 Issue; For 1926-1950: Issues Of May 27, 1948 And March 23, 1950 Of Engineering News Record; And Survey Of Current Business.
This NBER data series m08259 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08259
Release: NBER Macrohistory Database
National Bureau of Economic Research, Construction Wage Rates, Common Labor for United States [M08259USM055NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M08259USM055NNBR, February 14, 2016.