| Reference | {Deposit:: INDUSTRIAL MINERALS. POTASH--INDUSTRY RESHAPED IN GOVERN-}{Deposit:: MENT HANDS. FEBRUARY 1977, PP. 15, 23-26.}{Deposit:: U. S. BUREAU OF MINES. THE MINERAL INDUSTRY OF THE U.S.S.R.}{Deposit:: IN MINERALS YEARBOOK, V. 1, 1973, P. 897.}{Deposit:: WORLD SURVEY OF POTASH RESOURCES, 4TH EDTION, THE BRITISH}{Deposit:: SULPHUR CORP. LTD. PP 89-91.}{Deposit:: ROSKILL, THE ECONOMIC OF POTASH 1989, PP 56,57.}{Deposit:: FERTECON, PAGES 61, 73.}{Deposit:: U.S.S.R. VOL. VI S-T, OFFICIAL STANDARD NAMES.} |