"c VAR 0188 03003J ER SIX 1R 836-890 MD= 1E-37 " "c REF 0188 LOC 1653 WIDTH 9 DK 27 COL 17-25 " "c EXP DEC= 3 " "c " "c REVENUE PER FREIGHT TON-MILE, SIX RAILROADS " "c ------------------------------------------- " "c " "c NBER SERIES: 03003J " "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 1889-1890 WERE COMPUTED FROM FREIGHT " "c EARNINGS AND TON-MILE DATA OF INDIVIDUAL RAILROAD REPORTS. " "c NBER CHECKED DATA BY DIVIDING FIGURES FOR FREIGHT " "c EARNINGS BY TON-MILES FOR THE GROUP OF SIX RAILROADS. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c "