"c           VAR 0138      03057 PAS CAR 3R 920-935               MD= 1E-37   "
"c           REF 0138         LOC 1203 WIDTH  9             DK  19 COL 71-79  "
"c                                                 EXP DEC=  1                "
"c                                                                            "
"c              PASSENGER CAR-MILES, CLASS I RAILROADS                        "
"c              --------------------------------------                        "
"c                                                                            "
"c              NBER SERIES:  03057                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  MILLIONS OF PASSENGER CAR-MILES                       "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1920-12/1935                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934:  "
"c              COMPUTED BY NBER FROM"REVENUE TRAFFIC STATISTICS OF CLASS I   "
"c              STEAM RAILWAYS IN THE UNITED STATES".  DATA FOR 1935:         "
"c              DIRECT FROM SAME SOURCE.                                      "
"c                                                                            "
"c              NOTES:  SERIES 03057 IS PRESENTED HERE AS TWO                 "
"c              VARIABLES--(1)--ORIGINAL DATA, 1920-1935  (2)--ORIGINAL DATA, "
"c              1935-1943                                                     "
"c                   NBER COMPUTED DATA FOR 1920-1934 BY DIVIDING"REVENUE     "
"c              PASSENGER-MILES" BY"PASSENGER-MILES PER CAR-MILE."            "
"c                   DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES.           "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "