| Reference | {Deposit:: 1978 ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY}{Deposit:: OF MINING AND MINERAL PROCESSING OPERATIONS, MCGRAW-HILL,}{Deposit:: 1978, P. 333.}{Deposit:: MINING JOURNAL, COMPANY NEWS/COMMENT, V. 288, NO. 7400,}{Deposit:: JUNE 17, 1977, P. 478, 479.}{Deposit:: WORLD MINING, PORTUGAL, MINING DEVELOPMENTS AND OPPORTUNIT-}{Deposit:: IES, V. 2, NO. 5, MAY 1966, P. 22, 23.}{Deposit:: NIGHTINGALE, WM. G., MINING INTERNATIONAL YEAR BOOK, 1978,}{Deposit:: THE FINANCIAL TIMES LIMITED, 1978, P. 133, 134.}{Deposit:: MINING JOURNAL, COMPANY NEWS/COMMENT, V. 289, NO. 7417,}{Deposit:: OCTOBER 14, 1977, P. 320, 321.}{Deposit:: WORLD MINING CATALOG, SURVEY AND DIRECTORY NUMBER, 1979,}{Deposit:: V. 32, NO. 8, JULY 25, 1979, P. 220, 221.}{Deposit:: MINING MAGAZINE, MINING ACTIVITY IN THE WESTERN WORLD,}{Deposit:: V. 140, NO. 1, JANUARY 1979, P. 57.}{Deposit:: MINING JOURNAL, COMPANY NEWS/COMMENT, V. 290, NO. 7453,}{Deposit:: JUNE 23, 1978, P. 487.}{Deposit:: MINERALS YEARBOOK, 1973, METALS, MINERALS, AND FUELS, BUREAU}{Deposit:: OF MINES, 1973, V. 1, P. 1260.}{Deposit:: WORLD MINING CATALOG, SURVEY AND DIRECTORY NUMBER, 1971,}{Deposit:: V. 7, NO. 7, P. 141.}{Deposit:: TUNGSTEN NEWS, AMAX, OCTOBER 1977, P. 1.}{Deposit:: MINING JOURNAL, MINING WEEK, V. 291, NO. 7479, DECEMBER 22,}{Deposit:: 1978, P. 483, 484.}{Deposit:: MINING MAGAZINE, HIGHLIGHTS, V. 137, NO. 1, JULY 1977,}{Deposit:: P. 65.}{Deposit:: WORLD MINING, WHA* GOING ON IN WORLD MINING, V. 30, NO. 8.}{Deposit:: JULY 1977, P. 70.}{Deposit:: NELSON, RUSSELL C., ENGINEERING AND MINING JOURNAL,}{Deposit:: A DETAILED LOOK AT PRESENT SUPPLIES, V. 161, NO. 5,}{Deposit:: MAY 1960, P. 96.}{Deposit:: WORLD MINING CATALOG, SURVEY AND DIRECTORY NUMBER, 1970,}{Deposit:: V. 6, NO. 7, JUNE 25, 1970, P. 138, 139.}{Deposit:: MINING MAGAZINE, HIGHLIGHTS, V. 130, NO. 6, JUNE 1974,}{Deposit:: P. 465.}{Deposit:: ROMAN, GEORGE H., 1979-1980 WORLD MINES REGISTER, MILLER}{Deposit:: FREEMAN PUBLICATIONS INC. 1979, P. 159.}{Deposit:: MINING JOURNAL, COMPANY NEWS/COMMENT, V. 292, NO. 7499,}{Deposit:: MAY 11, 1979, P. 371.} |