"c           VAR 0721      XXXXX LOCOMOT 3R 921-943               MD= 1E-37   "
"c           REF 0721         LOC 2661 WIDTH  9             DK  43 COL 17-25  "
"c                                                                            "
"c                                                                            "
"c              TOTAL NUMBER OF LOCOMOTIVES ASSIGNED TO FREIGHT AND           "
"c              PASSENGER SERVICE                                             "
"c              ---------------------------------------------------           "
"c                                                                            "
"c              NBER SERIES:  01273                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  NUMBER OF LOCOMOTIVES                                 "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1921-07/1943                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  COMPUTED BY NBER BY ADDING SERIES 01250 AND 01257    "
"c              (LOCOMOTIVES ASSIGNED TO FREIGHT AND PASSENGER SERVICE,       "
"c              RESPECTIVELY).                                                "
"c                                                                            "
"c              NOTES:  SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED         "
"c              THROUGH 1936.  THEY WERE INCLUDED BEGINNING IN 1937.  THE     "
"c              FIGURE FOR JANUARY 1937 WAS DERIVED BY ADDING THE 12/1936     "
"c              FIGURE (EXCLUDING THE COMPANIES) AND THE 01/1937 FIGURE       "
"c              (INCLUDING THEM) AND DIVIDING BY TWO.                         "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "
-12
1921.01
1943.12
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NA
NA
NA
NA
NA