| Reference | {Deposit:: RABCHEVSKY, GEORGE A., MINERAL ISSUES: AN ANALYTICAL SERIES}{Deposit:: THE TUNGSTEN INDUSTRY OF THE U.S.S.R., USDOI, BUREAU OF}{Deposit:: MINES, NOVEMBER, 1988, P. 39.}{Deposit:: INTERFAX MINING REPORT. JUNE 24-JULY 1, 1994, P. 8.} |