Find over 300,000 mines, mills, and known mineral deposits with the new Mines and Mineral Resources map. Discover the history of old mining sites, new locations for metal detecting, and handy details about mine and mineral sites across the United States and beyond.
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USGS
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Great news Gaia users! We’ve added another map source today from the USGS. It’s their new National Map source. Check it out by going to the layer button on the main…