"c           VAR 0142      03051 PA MILE 3R 920-929               MD= 1E-37   "
"c           REF 0142         LOC 1239 WIDTH  9             DK  20 COL 44-52  "
"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:  01/1920-12/1929                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  INTERSTATE COMMERCE COMMISSION,"FREIGHT AND          "
"c              PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM       "
"c              RAILWAYS IN 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           ...............................................................  "