| Reference | {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.} |