Ch. 1: Gold and Silver in 1922

• Ch. 1: Gold, Silver in 1922
• Ch. 2: Platinum in 1922

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• Bradford. The Berringa Gold-Field
• Berringa Gold Fields, Australia
•  
• Wodiska. A Book of Precious Stones.
• Ch. 12: Topaz
•  

• US Geol. Surv. 1920. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1920
•  
• US Geol. Surv. 1921. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1921
•  
• US Geol. Surv. 1911. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1911
•  
• US Geol. Surv. 1891. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1891
•  
• US Geol. Surv. 1908. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1908
•  

• US Geol. Surv. 1910. Gemstones, Metals.
• US Geol. Surv. 1885. Gemstones, Metals.
• Bradford. The Stawell Gold-Field.

Deposits Diamond Gemological Properties Gemstones Gold History Mine Mining Production USA

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