"c           VAR 0170      04015 WP COPPR R 860-912               MD= 1E-37   "
"c           REF 0170         LOC 1491 WIDTH  9             DK  24 COL 44-52  "
"c                                                 EXP DEC=  1                "
"c                                                                            "
"c              WHOLESALE PRICE OF COPPER, LAKE, NEW YORK CITY                "
"c              ----------------------------------------------                "
"c                                                                            "
"c              NBER SERIES:  04015                                           "
"c              AREA COVERED:  U.S. -- NEW YORK                               "
"c              UNITS:  CENTS PER POUND                                       "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1860-12/1912                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE: 1860-1893:"MINERAL INDUSTRY", 1893, P.253, AND        "
"c              FOLLOWING ISSUES; 1894-1955:"ENGINEERING AND MINING           "
"c              JOURNAL", JANUARY 4, 1896, P. 5, AND FOLLOWING ISSUES (ALSO   "
"c              AVAILABLE IN"MINERAL INDUSTRY" A SUPPLEMENTARY PUBLICATION    "
"c              OF"E & M JOURNAL")                                            "
"c                                                                            "
"c              NOTES: SERIES 04015 HAS BEEN SUBDIVIDED INTO TWO VARIABLES:   "
"c              (1)-- ORIGINAL DATA, LAKE COPPER, 1860-1912; (2)-- ORIGINAL   "
"c              DATA, ELECTROLYTE COPPER, 1911-1955.                          "
"c                   LAKE COPPER IS FROM NATIVE COPPER MINES OF THE LAKE      "
"c              SUPERIOR DISTRICT. THE STANDARD RANGE OF CONDUCTIVITY IS      "
"c              99.5%. ELECTROLYTE COPPER IS REFINED BY THE ELECTROLYTIC      "
"c              PROCESS AND  RUNS FROM 99.93% AND UPWARDS FOR CATHODES.       "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "