References: |
- Deposit:: WORLD MINES REGISTER. LUXEMBOURG. MILLER FREEMAN PUBLICA-
- Deposit:: TIONS, SAN FRANCISCO, 1979, P. 124.
- Deposit:: MINING MAGAZINE. LUXEMBOURG. SEPTEMBER 1972, P. 297.
- Deposit:: MINING MAGAZINE. LUXEMBOURG. JANUARY 1979, P. 57.
- Deposit:: MINING MAGAZINE. LUXEMBOURG. AUGUST 1972, PP. 131-132.
- Deposit:: MINING MAGAZINE. LUXEMBOURG. SEPTEMBER 1969, P. 245.
- Deposit:: MINING MAGAZINE. LUXEMBOURG. SEPTEMBER 1971, P. 259.
- Deposit:: ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF
- Deposit:: MINING AND MINERAL PROCESSING OPERATIONS. LUXEMBOURG.
- Deposit:: MCGRAW-HILL, INC., NEW YORK, 1978, P. 309.
- Deposit:: KEYES, W. F., R. V. SONDERMAYER, AND J. B. HUVOS. LUXEM-
- Deposit:: BOURG. IN MINERAL INDUSTRIES OF WESTERN EUROPE, U. S.
- Deposit:: BUREAU OF MINES, WASHINGTON D. C., 1977, PP. 32-33.
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