"c VAR 0186 03003F NUE ER 1R 865-890 MD= 1E-37 " "c REF 0186 LOC 1635 WIDTH 9 DK 26 COL 62-70 " "c EXP DEC= 3 " "c " "c REVENUE PER FREIGHT TON-MILE, THIRTEEN RAILROADS " "c ------------------------------------------------ " "c " "c NBER SERIES: 03003F " "c AREA COVERED: U.S. " "c UNITS: CENTS " "c ANNUAL COVERAGE: 1865-1890 " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: NONE " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: POOR'S MANUAL OF RAILROADS, 1888, PP. XXVII-XXIX; " "c 1889, P. VIII; 1890; 1891. " "c " "c NOTES: DATA FOR 1865-1888 WERE COMPUTED BY ADDING FIGURES " "c FOR TON-MILES PRESENTED IN GROUPINGS OF SEVEN AND SIX " "c RAILROADS AND DIVIDING INTO FREIGHT EARNINGS FOR THE TWO " "c GROUPS (SEE SERIES 03003H AND 03003J). DATA FOR 1889-1890 " "c WERE COMPUTED FROM FREIGHT EARNINGS AND TON-MILES OF " "c THIRTEEN INDIVIDUAL RAILROADS. " "c DATA WERE REVISED IN 1887, BUT ARE PRESENTED AS ONE " "c VARIABLE. THE FIGURES FOR 1887 AND 1888 MORE COMPARABLE TO " "c EARLIER DATA ARE .827 AND .783. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "