"c VAR 0077 03043 LOADED 3R 920-942 MD= 1E-37 " "c REF 0077 LOC 654 WIDTH 9 DK 11 COL 26-34 " "c EXP DEC= 1 " "c " "c PERCENT LOADED OF TOTAL FREIGHT CAR-MILES, CLASS I RAILROADS " "c ------------------------------------------------------------ " "c " "c NBER SERIES: 03043 " "c AREA COVERED: U.S. " "c UNITS: PERCENT " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1920-12/1942 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: " "c "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS " "c I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1942: " "c "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE " "c UNITED STATES" " "c " "c NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. " "c THE FIGURE FOR JANUARY 1920 WAS COMPUTED BY NBER BY " "c DIVIDING LOADED CARS BY LOADED AND EMPTY. DATA FOR " "c JULY-SEPTEMBER OF 1922 WERE AFFECTED BY A SHOPMENS' STRIKE. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "