"c VAR 0154 01037J CORN 1A 866-951 MD= 1E-37 " "c REF 0154 LOC 1347 WIDTH 9 DK 22 COL 26-34 " "c EXP DEC= 1 " "c " "c CORN CROP, YIELD PER ACRE " "c ------------------------- " "c " "c NBER SERIES: 01037J " "c AREA COVERED: U.S. " "c UNITS: BUSHELS " "c ANNUAL COVERAGE: 1866-1951 " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: NONE " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: U.S. DEPARTMENT OF AGRICULTURE, BUREAU OF " "c AGRICULTURAL ECONOMICS, AGRICULTURAL STATISTICS, 1941; 1942; " "c 1950; CROP REPORTING BOARD, CROP PRODUCTION, 1951 ANNUAL " "c SUMMARY, DECEMBER 1951; CROP PRODUCTON, MIMEOGRAPHED " "c RELEASE. " "c " "c NOT CHECKED AGAINST ORIGINALS. " "c "