"c VAR 0109 03002A AVE LO 3R 918-943 MD= 1E-37 " "c REF 0109 LOC 942 WIDTH 9 DK 15 COL 62-70 " "c EXP DEC= 1 " "c " "c AVERAGE LOAD PER FREIGHT CAR, CLASS I STEAM RAILROADS " "c ----------------------------------------------------- " "c " "c NBER SERIES: 03002A " "c AREA COVERED: U.S. " "c UNITS: SHORT TONS " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1918-08/1943 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: DATA FOR 1918-JANUARY 1920: AMERICAN RAILWAY " "c ASSOCIATION ANNUAL BULLETIN, 1922, P. 9. DATA FOR " "c 1920-1934: INTERSTATE COMMERCE COMMISION,"FREIGHT AND " "c PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM " "c RAILWAYS IN THE UNITED STATES". DATA FOR 1935-1943: ICC, " "c "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE " "c UNITED STATES". " "c " "c NOTES: DATA ARE FOR NON-REVENUE AND REVENUE FREIGHT. " "c DATA FOR 1920-1943 EXCLUDE SWITCHING AND TERMINAL " "c COMPANIES. " "c BEGINNING JULY 1929, REPORTS ARE TITLED"NET TON-MILES " "c PER LOADED CAR-MILE." DATA, HOWEVER, ARE COMPARABLE " "c THROUGHOUT. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c "