| Reference | {Deposit:: ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF}{Deposit:: MINING AND MINERAL PROCESSING OPERATIONS. PERU. MCGRAW-}{Deposit:: HILL, INC., NEW YORK, 1978, P. 326.}{Deposit:: WORLD MINES REGISTER. COMPANIES BY COUNTRY. PERU. MILLER}{Deposit:: FREEMAN, INC., SAN FRANCISCO, 1979, P. 146.} |