"c VAR 0069 01037C CORNOP 1R 866-951 MD= 1E-37 " "c REF 0069 LOC 582 WIDTH 9 DK 10 COL 17-25 " "c EXP DEC= 1 " "c " "c CORN CROP ACREAGE " "c ----------------- " "c " "c NBER SERIES: 01037C " "c AREA COVERED: U.S. " "c UNITS: MILLIONS OF ACRES " "c ANNUAL COVERAGE: 1866-1951 " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: NONE " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: U.S. DEPARTMENT OF AGRICULTURE,"AGRICULTURAL " "c STATISTICS", 1941, 1942, AND 1950; CROP REPORTING BOARD, " "c "CROP PRODUCTION", 1951 ANNUAL SUMMARY, DECEMBER 1951 AND " "c SUBSEQUENT MIMEOGRAPHED RELEASES. " "c " "c NOTES: DATA ARE FOR ACREAGE HARVESTED. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "