"c           VAR 0007      01008 PHY PRO 1R 863-921               MD= 1E-37   "
"c           REF 0007         LOC   24 WIDTH  9             DK   1 COL 26-34  "
"c                                                 EXP DEC=  1                "
"c                                                                            "
"c              INDEX OF TOTAL PHYSICAL PRODUCTION                            "
"c              ----------------------------------                            "
"c                                                                            "
"c              NBER SERIES:  01008                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  1909-1913=100                                         "
"c              ANNUAL COVERAGE:  1863-1921                                   "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  NONE                                       "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  WARREN M. PERSONS, FORECASTING BUSINESS CYCLES,      "
"c              1931, PP. 170-171.                                            "
"c                                                                            "
"c              NOTES:  SERIES 01008 IS PRESENTED HERE AS TWO                 "
"c              VARIABLES-(1)--ORIGINAL DATA DATA, 1863-1921  (2)--ORIGINAL   "
"c              DATA, 1921-1932.                                              "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "