"c VAR 0762 02094BPVMTS,CH 855-936 MD= 1E-37 " "c REF 0762 LOC 1780 WIDTH 9 DK 29 COL 26-34 " "c EXP DEC= 2 " "c " "c LENGTH OF PAVEMENTS LAID, CHICAGO " "c --------------------------------- " "c " "c NBER SERIES: 02094B " "c AREA COVERED: U.S., CHICAGO " "c UNITS: MILES " "c ANNUAL COVERAGE: 1855-1936 " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: NONE " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: CITY OF CHICAGO, BOARD OF LOCAL IMPROVEMENTS, " "c "QUADRENNIAL REPORT 1915-18," P. 40, "SIXTEEN YEAR RECORD OF " "c ACHIEVEMENT, 1916-31," P.101;"ANNUAL REPORTS OF THE CHICAGO " "c PUBLIC WORKS DEPT.," 1931-36. " "c " "c NOTES: DATA INCLUDE ALLEYS AND STREETS UNDER SPECIAL " "c ASSESSMENTS AND PRIVATE CONTRACTS. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "