History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t1.7
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t1.7
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v1.c13.s2.t1.7
(3) As metal nuggets and streaks in quartz veins at Kolar and Hatti Gold Mines.