| References: |
- Deposit:: WORLD MINING, WHA* GOING ON IN WORLD MINING, V. 29, NO. 10
- Deposit:: SEPTEMBER, 1976, P. 94.
- Deposit:: WORLD MINING YEARBOOK, CATALOG, SURVEY & DIRECTORY NUMBER
- Deposit:: 1976, WORLD-WIDE MINING DEVELOPMENTS, V. 29, NO. 7,
- Deposit:: JUNE 25, 1976, P. 169, 170.
- Deposit:: WORLD MINING, SPAIN HAS IMPORTANT METAL AND COAL MINES TO
- Deposit:: SHOW MINING CONGRESS, V. 6, NO. 5, MAY 1970, P. 30-34.
- Deposit:: MINING MAGAZINE, MINING ACTIVITY IN THE WESTERN WORLD,
- Deposit:: V. 125, NO. 3, SEPTEMBER 1971, P. 259 & 276.
- Deposit:: 1976, WORLD-WIDE MINING DEVELOPMENTS, V. 31, NO. 7,
- Deposit:: JUNE 25, 1978, P. 236 & 238.
- Deposit:: ALZUGARAY, JUAN J., UNITED NATIONS INDUSTRIAL DEVELOPMENT
- Deposit:: ORGANIZATION, THIRD INTERREGIONAL SYMPOSIUM ON THE IRON
- Deposit:: AND STEEL INDUSTRY, BRASILIA, BRAZIL, 14-21 OCTOBER 1973
- Deposit:: AGENDA ITEM 10, SURVEY OF THE DEVELOPMENT OF THE SPANISH
- Deposit:: STEEL INDUSTRY, ID/WG. 146/36, APRIL 9, 1973, P. 1-28.
- Deposit:: 1978 ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY
- Deposit:: OF MINING AND MINERAL PROCESSING OPERATIONS, MCGRAW-HILL
- Deposit:: 1978, P. 347.
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