The deposits of obsidian, opalite, chalcedony, agate, jasper and quartz were found throughout the state. This created mining activities by the early
Nevada Gold and Gems #1868
1909 Gold Deposits of Georgia — gold map
American National Parks Map - Gold Edition – GeoJango Maps
2,385 Raw Gold Ore Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime
Gold & Gem Maps - Historical Maps - Find Gold - Silver - Gems
Mine the Treasures of the Earth at Tucson's Gem and Mineral Show
Colorado, Gold & Gems, 5 Map Set Then & Now: R.N./M.L. Preston: 9780972044158: : Books
California: Northern Edition (Gold & Gems Maps: Then and Now) is a comprehensive collection to assist the rockhound in locating 40 gem sites. The source of information has been taken from numerous publications. All known types of rock and gem deposits could not be included because of the numerous types and locations would be overwhelming. Some of the reported gold and gold districts are included as far back as 1850.
California Gold & Gems Maps: Then and Now [Book]
Historical Gold Maps
Washington Gold and Gems Maps Now and Then: R N Preston: 9780965755832: : Books
Placer gold was discovered in Washington in the 1850′s. However, placer mining did not become particularly active until discoveries were made in the
Washington Gold and Gems #1862
Could the Mississippi Opal become the state's first official gemstone?
Where to Hunt for Gold, Rubies, Other Gemstones in North Georgia
California Gold & Gems Maps: Then and Now (Northern Edition) is a package of 5 maps printed on both sides., This package is a comprehensive
California Gold and Gems (Northern) #1858