"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           ...............................................................  "
-1
1890.
1944.
152.000
163.000
178.000
194.000
214.000
215.000
221.000
232.000
243.000
254.000
279.000
309.000
348.000
387.000
425.000
460.000
496.000
520.000
531.000
560.000
592.000
593.000
622.000
635.000
668.000
672.000
673.000
699.000
717.000
736.000
796.000
860.000
916.000
970.000
871.000
822.000
821.000
835.000
760.000
752.000
770.000
736.000
653.000
615.000
622.000
640.000
680.000
710.000
663.000
683.000
703.000
733.000
730.000
689.000
686.000