"c VAR 0218 01118 COAL 3R 905-958 MD= 1E-37 " "c REF 0218 LOC 1923 WIDTH 9 DK 31 COL 35-43 " "c EXP DEC= 1 " "c " "c BITUMINOUS COAL PRODUCTION " "c -------------------------- " "c " "c NBER SERIES: 01118 " "c AREA COVERED: U.S. " "c UNITS: MILLIONS OF SHORT TONS " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1905-12/1958 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: DATA FOR 1905-1922: U.S. GEOLOGICAL SURVEY, " "c MINERAL RESOURCES OF THE U.S., 1922, PART II, PP. 464-465; " "c DATA FOR 1923-1931: BUREAU OF MINES, SUCCESSIVE ANNUAL " "c NUMBERS OF MINERAL RESOURCES; DATA FOR 1932-1950: BUREAU OF " "c THE MINES, MINERALS YEARBOOK, SUCCESSIVE ISSUES AND " "c REPRINTS; DATA FOR 1951-1952 DATA FOR 1951-1958: SURVEY OF " "c CURRENT BUSINESS, AND BUREAU OF THE MINES, WEEKLY COAL " "c REPORT; DATA FOR 1953-1954: ALSO SEE MINERAL MARKET " "c SUMMARY, BITUMINOUS COAL AND LIGNITE IN 1954, NO. 2602, " "c MARCH 1, 1954. " "c " "c NOTES: SERIES 01118 IS PRESENTED HERE AS TWO " "c VARIABLES--(1)--ORIGINAL DATA, 1850-1919 (2)--ORIGINAL " "c DATA, 1905-1958. " "c TWO MAJOR AND VARIOUS WILDCAT STRIKES TOOK PLACE DURING " "c 1946, CAUSING BIG PRODUCTION LOSSES. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c "