"c           VAR 0597      01131 IRON    3R 903-942               MD= 1E-37   "
"c           REF 0597         LOC 1545 WIDTH  9             DK  25 COL 35-43  "
"c                                                                            "
"c                                                                            "
"c              MERCHANT PIG IRON PRODUCTION                                  "
"c              ----------------------------                                  "
"c                                                                            "
"c              NBER SERIES:  01131                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  THOUSAND OF LONG TONS                                 "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  04/1903-03/1942                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  IRON AGE, SUCCESSIVE MONTHLY ISSUES                  "
"c                                                                            "
"c              NOTES:  DATA ARE COMPUTED BY NBER FROM TOTAL PIG IRON         "
"c              PRODUCTION LESS PIG IRON PRODUCED BY STEEL MILLS.             "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c                                                                            "