"c VAR 0144 03051 PA MILE 3R 929-943 MD= 1E-37 " "c REF 0144 LOC 1257 WIDTH 9 DK 20 COL 62-70 " "c EXP DEC= 1 " "c " "c PASSENGER TRAIN-MILES, CLASS I RAILROADS " "c ---------------------------------------- " "c " "c NBER SERIES: 03051 " "c AREA COVERED: U.S. " "c UNITS: MILLIONS OF TRAIN-MILES " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1929-08/1943 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1929-1934: " "c "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS " "c I STEAM RAILWAYS IN THE UNITED STATES." DATA FOR 1935-1943: " "c "PASSENGER TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN " "c THE UNITED STATES." " "c " "c NOTES: SERIES 03051 IS PRESENTED HERE AS TWO " "c VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--ORIGINAL DATA, " "c 1929-1943 " "c DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "