"c           VAR 0402      04134 WP STRST R 913-958               MD= 1E-37   "
"c           REF 0402         LOC 1752 WIDTH  9             DK  28 COL 53-61  "
"c                                                 EXP DEC=  3                "
"c                                                                            "
"c              WHOLESALE PRICE OF STRUCTURAL STEEL                           "
"c              -----------------------------------                           "
"c                                                                            "
"c              NBER SERIES:  04134                                           "
"c              AREA COVERED:  U.S. --PITTSBURGH                              "
"c              UNITS:  DOLLARS PER HUNDRED POUNDS                            "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1913-02/1958                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  DATA FOR 1913-1919 WERE FURNISHED DIRECT BY BLS.     "
"c              1920-1931, BLS BULLETINS WERE USED.  1932-1941 DATA WERE      "
"c              WERE FROM MONTHLY ISSUES OF"WHOLESALE PRICES."  1942-1948     "
"c              DATA WERE FROM BULLETIN NOS. 718, 736, 759, 785, 870, 877,    "
"c              920, 947, AND MONTHLY MIMEOGRAPHED ISSUES OF AVERAGE          "
"c              WHOLESALE PRICES AND INDEX NUMBERS.  1949-1951 DATA WERE      "
"c              FROM BLS, PRICES AND PRICE RELATIVES FOR INDIVIDUAL           "
"c              COMMODITIES IN THE REVISD INDEX:  1947-1950, GROUP 10,        "
"c              METALS AND METAL PRODUCTS (PUBLISHED IN 1952) AND BULLETIN    "
"c              NO.1143. 1952 AND 1953 DATA ARE FROM MONTHLY ISSUES OF        "
"c             "WHOLESALE PRICES AND PRICE INDEXES."                          "
"c                                                                            "
"c              NOTES:  1913-1917 PRICES WERE NEAR FIRST OF MONTH             "
"c              QUOTATIONS.  DATA FROM 1918 ON WERE MONTHLY AVERAGES OF       "
"c              TUESDAY QUOTATIONS.                                           "
"c                   SERIES IS CALLED"STRUCTURAL STEEL SLOPES, BEAMS, ETC.;   "
"c              3"-15", MILL, PITTSBURGH.                                     "
"c                   1913-1939 DATA WERE CHECKED AGAINST QUOTATIONS IN        "
"c              SURVEY OF CURRENT BUSINESS.                                   "
"c                   BEGINNING IN 1944, PRICES ARE QUOTED AS"F.O.B.           "
"c              PITTSBURGH BASING POINT.                                      "
"c                   BEGINNING IN 1948, THE SPECIFICATION WAS CHANGED FROM    "
"c              3"-15" TO 12" UP TO 60 FEET. "CARBON STEEL, I BEAMS, 12"      "
"c              DEPTH, 60 FOOT LENGTH, ASTM (A-7-46) PER 100 POUNDS, F.O.B.   "
"c              PITTSBURGH BASING POINT."                                     "
"c                   THE NEW PRICE IS QUOTED ONLY FOR 01-06/1948.  CODE #452  "
"c              WAS CHANGED TO #452.1.  THE NEW INDEX CODE #10-14-31 CHANGED  "
"c              TO 10-14-31.01.  MONTH BY MONTH COMPARISONS BETWEEN BLS       "
"c              FIGURES AND THOSE IN THE SURVEY OF CURRENT BUSINESS SHOW      "
"c              THEM TO BE IDENTICAL.                                         "
"c                   IN JULY, 1948, THE SPECIFICATION WAS CHANGED FROM        "
"c              BASING POINT QUOTATIONS TO"F.O.B. MILL, SHIPPING POINT."      "
"c              IN LATER SPECIFICATION LISTS, IT IS CALLED"F.O.B. PRODUCING   "
"c              POINTS."  (OLD CODE #452.2; NEW CODE #10-14-31.02)            "
"c                   A NEW SPECIFICATION BEGINS IN MAY, 1953, WITH NO         "
"c              OVERLAP GIVEN.  THE NEW SPECIFICATION READS"STRUCTURAL        "
"c              SHAPES, CARBON STEEL, 6" BY 4" BY 1/2" ANGLES, 30 FEET LONG,  "
"c              ASTM SPECIFICATION A-7, BASE QUANTITY, MILL TO USER, PER 100  "
"c              POUNDS, F.O.B. MILL" (BLS CODE #10-14-31.03).                 "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "