Ch. 1: Gold and Silver in 1918

• Ch. 1: Gold, Silver in 1918
• Ch. 2: Platinum in 1918
• Ch. 3: Gemstones in 1918

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

• US Geol. Surv. 1908. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1908
•  
• US Geol. Surv. 1889-90. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1889/90
•  
• US Geol. Surv. 1887. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1887
•  
• US Geol. Surv. 1919. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1919
•  
• US Geol. Surv. 1914. Gemstones, Metals.
• Ch. 1: Gold, Silver in 1914
•  

• US Geol. Surv. 1910. Gemstones, Metals.
• US Geol. Surv. 1922. Gemstones, Metals.
• US Geol. Surv. 1885. Gemstones, Metals.

Deposits Diamond Gemological Properties Gemstones Gold History Mine Mining Production USA

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