"c VAR 0832 02122 CEMENT R 911-963 MD= 1E-37 " "c REF 0832 LOC 2410 WIDTH 9 DK 39 COL 26-34 " "c EXP DEC= 2 " "c " "c PORTLAND CEMENT PRODUCTION, ORIGINAL DATA " "c ----------------------------------------- " "c " "c NBER SERIES: 02122 " "c AREA COVERED: UNITED STATES " "c UNITS: MILLION BARRELS " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 1/1911 - 12/1963 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: SEE V834 " "c " "c NOTES: SEE V834 " "c " "c ORIGINALS MISSING; NOT PROOFREAD. " "c ............................................................... "