"c           VAR 0160      03061 MI MILE 3R 920-929               MD= 1E-37   "
"c           REF 0160         LOC 1401 WIDTH  9             DK  23 COL 17-25  "
"c                                                 EXP DEC=  2                "
"c                                                                            "
"c              PASSENGER CAR-MILES PER TRAIN-MILE, CLASS I RAILROADS         "
"c              -----------------------------------------------------         "
"c                                                                            "
"c              NBER SERIES:  03061                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  CAR-MILES PER TRAIN-MILE                              "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1920-12/1930                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  NBER DERIVED DATA BY DIVIDING SERIES 03057           "
"c              (PASSENGER CAR-MILES) BY 03051 (PASSENGER TRAIN-MILES).       "
"c                                                                            "
"c              NOTES:  SERIES 03061 IS PRESENTED HERE AS TWO                 "
"c              VARIABLES--(1)--ORIGINAL DATA, 1920-1930  (2)--ORIGINAL DATA, "
"c              1930-1943                                                     "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "