"c           VAR 0091      03049 IN OURS 3R 920-943               MD= 1E-37   "
"c           REF 0091         LOC  780 WIDTH  9             DK  13 COL 26-34  "
"c                                                                            "
"c                                                                            "
"c              FREIGHT TRAIN-HOURS, CLASS I RAILROADS                        "
"c              --------------------------------------                        "
"c                                                                            "
"c              NBER SERIES:  03049                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  THOUSANDS OF TRAIN-HOURS                              "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1920-08/1943                            "
"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                   THE UNADJUSTED FIGURES FOR JANUARY-MARCH 1920 WERE       "
"c              COMPUTED BY NBER.                                             "
"c                   BEGINNING IN 1935, THE SOURCE TITLE INCLUDES THE         "
"c              STATEMENT THAT"TRAIN-SWITCHING HOURS AT WAY STATIONS" ARE     "
"c              INCLUDED IN THE DATA.                                         "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "