"c           VAR 0115      03048 PER TON 3R 920-942               MD= 1E-37   "
"c           REF 0115         LOC  996 WIDTH  9             DK  16 COL 53-61  "
"c                                                                            "
"c                                                                            "
"c              REVENUE TON-MILES PER TON OF COAL CONSUMED IN FREIGHT         "
"c              SERVICE, CLASS I RAILROADS                                    "
"c              -----------------------------------------------------         "
"c                                                                            "
"c              NBER SERIES:  03048                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  TON-MILES                                             "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1920-06/1942                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  COMPUTED BY NBER BY DIVIDING SERIES 03037 (REVENUE   "
"c              TON-MILES) BY SERIES 03047 (TONS OF COAL OR EQUIVALENT        "
"c              CONSUMPTION IN ROAD FREIGHT SERVICE); DATA ARE FROM           "
"c              INTERSTATE COMMERCE COMMISION SOURCES.                        "
"c                                                                            "
"c              NOTES:  DATA FOR"REVENUE TON-MILES" EXCLUDE SWITCHING AND     "
"c              TERMINAL COMPANIES.  DATA FOR"COAL CONSUMPTION" EXCLUDE       "
"c              THESE COMPONENTS FROM 1920-1936; INCLUDE THEM THEREAFTER.     "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "