Release: NBER Macrohistory Database
Series Is Presented Here As 2 Variables: (1) Original Data, 1913-38; (2) Original Data, 1932-43. Monthly Data Is Presented Here In The Form Of Weekly Average Per Month. Annual Data Is The Mean Of These Values - I.E., An Approximation Of The Average Weekly Value For The Year. 1932-43 Segments Include Federal Projects; 1913-38 Do Not. See Also Introductory Notes On Engineering News-Record Data. Source: Files Of Engineering News-Record
This NBER data series m02093a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: m02093a
National Bureau of Economic Research, Contracts for Streets, Roads, and Bridges for United States [M0293AUSM398NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M0293AUSM398NNBR, October 21, 2019.