"c           VAR 0182      03003A RE NUE 3R 920-956               MD= 1E-37   "
"c           REF 0182         LOC 1599 WIDTH  9             DK  26 COL 26-34  "
"c                                                 EXP DEC=  3                "
"c                                                                            "
"c              REVENUE PER FREIGHT TON-MILE, CLASS I RAILROADS               "
"c              -----------------------------------------------               "
"c                                                                            "
"c              NBER SERIES:  03003A                                          "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  CENTS PER TON-MILE                                    "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1920-04/1956                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  NBER COMPUTED DATA FROM INTERSTATE COMMERCE          "
"c              COMMISSION,"REVENUE TRAFFIC STATISTICS OF CLASS I STEAM       "
"c              RAILWAYS IN THE UNITED STATES".                               "
"c                                                                            "
"c              NOTES:  SERIES 03003A IS PRESENTED HERE AS TWOR               "
"c              VARIABLES--(1)--ORIGINAL DATA, 1907-1925  (2)--ORIGINAL DATA, "
"c              1920-1956.                                                    "
"c                   DATA WERE COMPUTED BY NBER BY DIVIDING SERIES 03016B     "
"c              (FREIGHT OPERATING REVENUES, CLASS I, EXCLUDING SWITCHING     "
"c              AND TERMINAL COMPANIES) BY SERIES 03003 (REVENUE TON-MILES,   "
"c              CLASS I, EXCLUDING SWITCHING AND TERMINAL COMPANIES); BOTH    "
"c              SERIES ARE BASED ON THE INTERSTATE COMMERCE COMMISSION        "
"c              SOURCE.                                                       "
"c                                                                            "
"c              CHECKED MANUALLY; CORRECTED 2/26/94.                          "
"c                                                                            "
"c           ...............................................................  "