"c VAR 0211 01210 COAL 1A 856-958 MD= 1E-37 " "c REF 0211 LOC 1860 WIDTH 9 DK 30 COL 35-43 " "c EXP DEC= 1 " "c " "c TOTAL COAL PRODUCTION " "c --------------------- " "c " "c NBER SERIES: 01210 " "c AREA COVERED: U.S. " "c UNITS: MILLIONS OF SHORT TONS " "c ANNUAL COVERAGE: 1856-1958 " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: NONE " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: U.S. BUREAU OF MINES, MINERAL RESOURCES, 1924, PP. " "c 588-589. " "c " "c NOTES: DATA EQUAL TO THE SUM OF SERIES 01117 (ANTHRACITE " "c COAL SHIPMENTS) AND SERIES 01118 (BITUMINOUS COAL " "c PRODUCTION). " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "