| References: |
- 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.
|