"c           VAR 0203      01141 ZINCORE 3R 920-941               MD= 1E-37   "
"c           REF 0203         LOC 1788 WIDTH  9             DK  29 COL 26-34  "
"c                                                                            "
"c                                                                            "
"c              ZINC ORE SHIPMENTS, JOPLIN DISTRICT                           "
"c              -----------------------------------                           "
"c                                                                            "
"c              NBER SERIES:  01141                                           "
"c              AREA COVERED:  U.S. -- JOPLIN                                 "
"c              UNITS:  SHORT TONS PER WEEK                                   "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1921-07/1941                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  U.S. DEPARTMENT OF COMMERCE, DATA FOR 1920-1923:     "
"c              RECORD BOOK OF BUSINESS STATISTICS.  DATA FOR 1924-1941:      "
"c              SURVEY OF CURRENT BUSINESS, SUCCESIVE ISSUES.                 "
"c                                                                            "
"c              NOTES:  SERIES 01141 IS PRESENTED HERE AS TWO                 "
"c              VARIABLES--(1)--ORIGINAL DATA, 1895-1928  (2)--ORIGINAL DATA, "
"c              1920-1941.                                                    "
"c                   DATA ARE FOR THE JOPLIN DISTRICT, ALSO KNOWN AS THE      "
"c              TRI-STATE DISTRICT. THIS AREA INCLUDES PARTS OF MISSOURI,     "
"c              KANSAS AND OKLAHOMA AND PRODUCES ABOUT TWO-THIRDS OF THE ORE  "
"c              MINED IN THE UNITED STATES.                                   "
"c                   DATA FOR 1920-1935 ARE COMPUTED BY NBER BY DIVIDING THE  "
"c              ORIGINAL PUBLISHED FIGURES BY THE NUMBER OF WEEKS ENDING ON   "
"c              SATURDAYS WITHIN THE MONTH.  DATA BEGINNING JANUARY 1936      "
"c              WERE COMPUTED BY DIVIDING THE ORIGINAL PUBLISHED MONTHLY      "
"c              FIGURES BY THE NUMBER OF WEEKS ENDING IN SATURDAY WHICH       "
"c              ENDED THROUGH THE THIRD OF THE NEXT MONTH.                    "
"c                                                                            "
"c              NOT CHECKED AGAINST ORIGINALS.                                "
"c                                                                            "
"c           ...............................................................  "