"c VAR 0675 01143A SILVER 3R 921-944 MD= 1E-37 " "c REF 0675 LOC 2247 WIDTH 9 DK 36 COL 44-52 " "c EXP DEC= 2 " "c " "c SILVER PRODUCTION " "c ----------------- " "c " "c NBER SERIES: 01143A " "c AREA COVERED: U.S. " "c UNITS: MILLIONS OF FINE OUNCES " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1921-07/1944 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: DATA FOR 1921-1936, 1943-1944: DIRECTLY FROM THE " "c AMERICAN BUREAU OF METAL STATISTICS. DATA FOR 1937-1942: " "c METAL STATISTICS. " "c " "c NOTES: DATA REPRESENT COMMERCIAL BARS, .999 FINE, IN TROY " "c OUNCES, PRODUCED BY THE REFINERIES FROM BOTH DOMESTIC AND " "c FOREIGN ORES. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "