"c VAR 0529 01121 COKE 3R 912-953 MD= 1E-37 " "c REF 0529 LOC 933 WIDTH 9 DK 15 COL 53-61 " "c " "c " "c COKE PRODUCTION, BEEHIVE AND BYPRODUCT " "c -------------------------------------- " "c " "c NBER SERIES: 01121 " "c AREA COVERED: U.S. " "c UNITS: THOUSANDS OF SHORT TONS " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1912-06/1953 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: MINERAL RESOURCES, PART II, 1923, 1927, AND 1930; " "c MINERALS YEARBOOK, 1932-1949; SURVEY OF CURRENT BUSINESS, " "c 1950-1953. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "