| Reference | {Deposit:: MINING ANNUAL REVIEW-1981, P. 587.}{Deposit:: SHABAD, THEODORE SHABAD, BASIC INDUSTRIAL RESOURCES OF THE}{Deposit:: U.S.S.R., COLUMBIA UNIV. PRESS, NEW YORK & LONDON, 1969,}{Deposit:: PP. 178-182.}{Deposit:: SMIRNOV, V. I., ORE DEPOSITS OF THE U.S.S.R., VOL. 2,}{Deposit:: PITTMAN PUBLISHING, PP. 306-308.} |