Monthly Journal of the Chamber of Mines of Western Australia (Incorporated)., Volume 19Chamber of mines, 1920 - Mineral industries |
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15 LEVEL 9 dwt 9 ft Actg advanced 10 ft advanced 12 advanced 9 age value assay value assaying traces Associated Northern Australia East Lode aver average value traces average width 72 Boulder Perseverance Boulder Proprietary Broken Hill cent Chamber of Mines combustion Coolgardie Copper Cyanide drive off West Edna May Central Edna May Reef Engineering fuel furnace G.M. Ltd Gold Mines Ltd Gold Production Goldfield Government grade half-month ended industry Ingliston Intermediate Ivanhoe Kalgoorlie Lake View London Main Shaft Main South drive Meekatharra Middle Reef miners months ended N.L. Edna Oroya Progress Report pulverised Report for half-month Report for month Report for week Section 25 Sections 19 Sons of Gwalia South drive advanced South Kalgurli started and advanced tion total distance values averaged vanced View and Star week ended West crosscut West drive West stope Western Australia Westonia wide width of 60 width of reef winze