"c VAR 0192 01193 IRONPRO 1A 889-915 MD= 1E-37 " "c REF 0192 LOC 1689 WIDTH 9 DK 27 COL 53-61 " "c EXP DEC= 2 " "c " "c IRON ORE PRODUCTION, LAKE SUPERIOR ORE, TOTAL " "c --------------------------------------------- " "c " "c NBER SERIES: 01193 " "c AREA COVERED: U.S. -- LAKE SUPERIOR " "c UNITS: MILLIONS OF LONG TONS " "c ANNUAL COVERAGE: 1889-1915 " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: NONE " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: U.S. BUREAU OF THE MINES, MINERAL RESOURCES, 1914, " "c PART 1, PP. 496-497. " "c " "c NOTES: SERIES 01193 IS PRESENTED HERE AS TWO " "c VARIABLES--(1)--ORIGINAL DATA, 1889-1915 (2)--ORIGINAL " "c DATA, 1911-1939. " "c DATA EXCLUDE IRON RIDGE AREA (SOUTHERN WISCONSIN). " "c " "c NOT CHECKED AGAINST ORIGINALS. " "c " "c ............................................................... " -1 1889. 1915. 7.52000 8.94000 7.62000 9.56000 6.59000 7.68000 10.2700 10.5700 12.2100 13.7800 17.8000 20.5600 21.4500 26.9800 26.5700 20.2000 33.3300 37.8800 41.5300 28.1100 41.8600 46.3300 35.5500 46.3700 52.3800 33.5400 46.9400