Data Include Alleys And Streets Under Special Assessments And Private Contracts. Source: City Of Chicago, Board Of Local Improvements, "Quadrennial Report 1915-18, " P. 40, "Sixteen Year Record Of Achievement, 1916-31, " P.101;"Annual Reports Of The Chicago Public Works Dept., " 1931-36.
This NBER data series a02094b appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: a02094b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Length of Pavements Laid for Chicago, IL [A0294BUS16980A374NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0294BUS16980A374NNBR, February 11, 2016.