"c           VAR 0837      02124 BRCK PRD R 923-936               MD= 1E-37   "
"c           REF 0837         LOC 2455 WIDTH  9             DK  39 COL 71-79  "
"c                                                                            "
"c                                                                            "
"c              BRICK PRODUCTION, ORIGINAL DATA                               "
"c              -------------------------------                               "
"c                                                                            "
"c              NBER SERIES: 02124                                            "
"c              AREA COVERED: UNITED STATES                                   "
"c              UNITS: THOUSAND BRICKS (AVERAGE PER PLANT)                    "
"c              ANNUAL COVERAGE: NONE                                         "
"c              QUARTERLY COVERAGE: NONE                                      "
"c              MONTHLY COVERAGE: 1/1923 - 2/1936                             "
"c              SEASONAL ADJUSTMENT: NONE                                     "
"c              SOURCE: SEE V124                                              "
"c                                                                            "
"c              NOTES: SERIES 02124 HAS BEEN SUBDIVIDED INTO THREE VARIABLES: "
"c              (1) V836 -- ORIGINAL DATA, 1919-1925; (2) V837 -- ORIGINAL    "
"c              DATA, 1923-1936; (3) V838 -- ORIGINAL DATA, 1943-1946.        "
"c                  FIGURES FOR 1923-36 ARE AVERAGE PER PLANT TO ALLOW FOR    "
"c              VARIATIONS IN NUMBER OF FIRMS REPORTING; AVERAGE PER PLANT    "
"c              OF 54 FROM 1928 ON PRIOR TO 1928 FIGURES WERE AVAILABLE FROM  "
"c              ONLY 20-30 OF THESE. THE AVERAGE OF WHICH WERE BUILT UP TO    "
"c              INCLUDE 54 PLANTS BY USING A 1929 AVERAGE AS A BASE.          "
"c                  1930-36 COMPILED BY AMERICAN FACE BRICK ASSOCIATION AND   "
"c              DISPLACES DATA ON BRICK PRODUCTION FORMERLY SHOWN. CHANGE     "
"c              NECESSARY DUE TO FACT THAT SINCE 1929 MUCH BRICK WAS STORED   "
"c              IN KILNS AND NOT PROMPTLY DRAWN. THUS DRAWN FIGURES DID NOT   "
"c              ACCURATELY REPRESENT PRODUCTION. PRIOR TO 1929 THE BRICK      "
"c              DRAWN CLOSELY APPROXIMATED MACHINE PRODUCTION AND THE 2       "
"c              SERIES MAY BE REGARDED AS FAIRLY COMPARABLE OVER ENTIRE       "
"c              PERIOD.                                                       "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c           ...............................................................  "