This Series Represents Data On Value Of Contracts Awarded Deflated By En-R By Their Construction And Contract Volume. The Construction Cost Index Used Is Based On Common Labor Rates And The Price Of 3 Basic Commodities: Cement, Steel, And Lumber. See Also Introductory Notes On Engineering News-Record Data. Source: Engineering News-Record Yearbook (Later Called En-R Construction Costs), 1936 P.7; And 1942, P.126.
This NBER data series m02108 appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: m02108
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Construction Contracts, Adjusted For Cost Changes, Engineering News-Record for United States [M02108USM324NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M02108USM324NNBR/, July 6, 2015.