"c           VAR 0113      03050 MIPERHR 3R 920-943               MD= 1E-37   "
"c           REF 0113         LOC  978 WIDTH  9             DK  16 COL 35-43  "
"c                                                 EXP DEC=  1                "
"c                                                                            "
"c              TRAIN-MILES PER TRAIN-HOUR, FREIGHT SERVICE, CLASS I          "
"c              RAILROADS                                                     "
"c              ----------------------------------------------------          "
"c                                                                            "
"c              NBER SERIES:  03050                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  TRAIN-MILES                                           "
"c              ANNUAL COVERAGE:  NONE                                       "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1920-03/1943; 06-08/1943                "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934:  "
"c             "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS   "
"c              I STEAM RAILWAYS IN THE UNITED STATES".  DATA FOR 1935-1943:  "
"c             "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE    "
"c              UNITED STATES".                                               "
"c                                                                            "
"c              NOTES:  DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES         "
"c              THROUGHOUT.                                                   "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "