"c           VAR 0220      01165 COAL    1A 890-944               MD= 1E-37   "
"c           REF 0220         LOC 1941 WIDTH  9             DK  31 COL 53-61  "
"c                                                                            "
"c                                                                            "
"c              CALCULATED CAPACITY OF BITUMINOUS COAL MINES                  "
"c              --------------------------------------------                  "
"c                                                                            "
"c              NBER SERIES:  01165                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  MILLIONS OF SHORT TONS                                "
"c              ANNUAL COVERAGE:  1890-1944                                   "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  NONE                                       "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  DATA FOR 1890-1931:  U.S. BUREAU OF MINES, MINERAL   "
"c              RESOURCES, 1930, PT. II, P. 621; 1931, PT. II, P. 425.  DATA  "
"c              FOR 1932-1944:  STATISTICAL APPENDIX TO THE MINERAL           "
"c              YEARBOOK, 1932-1933, P. 374; 1935, P. 632; 1939, P. 771;      "
"c              1945, P. 853.                                                 "
"c                                                                            "
"c              NOTES:  SERIES 01165 IS PRESENTED HERE AS TWO                 "
"c              VARIABLES--(1)--ORIGINAL DATA, 1890-1944  (2)--ORIGINAL       "
"c              DATA, 1890-1961.                                              "
"c                    DATA ARE FOR THE CALCULATED 308-DAY CAPACITY OF ALL     "
"c              MINES THAT OPERATE FOR ANY PART OF THE YEAAR, INCLUDING NEW   "
"c              MINES.                                                        "
"c                   DATA FOUND IN SOURCE ON BASIS OF 280 WORK DAYS A YEAR.   "
"c              ESTIMATES HAVE NOTHING TO DO WITH KNOWN RESERVES, BUT SIMPLY  "
"c              REPRESENT POTENTIAL PRODUCTION FOR AN ARBITRARILY CHOSEN      "
"c              NUMBER OF DAYS PER YEAR.                                      "
"c                   THIS SERIES IS REPRINTED IN MINERAL YEARBOOK, 1945,      "
"c              P.834 ON THE BASIS O OF 280 WORKING DAYS, AND 261 WORKING     "
"c              DAYS (5-DAY WORK WEEK) A YEAR.                                "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "